The biome, savanna, is distinguished by long dry seasons and is ruled by grasses, trees and bushes, and grazing animals.
The term biome refers to the various classifications of species that live in that location.
Savannas, which are found to the south and north of tropical forest biomes, receive less annual rainfall and have longer dry seasons. Grasslands and small trees dominate these biomes. Savannas cover 60% of Africa and are the transition zone between tropical forests and deserts.
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Which of the following accurately describes ^18 O / ^16 O ratios of the oceans? Because ^18O evaporates more readily than ^16O. the oceans have a higher relative abundance of ^16O during the summer. The ^18O/^16O ratio in the ocean is low during the winter because temperatures are too low for ^16O to evaporate During the winter. ^16O is high in the ocean; during warmer periods the isotope ratio is lower The ratio of oceanic ^18O/^16O in the late summer is high, because the most of the ^16O has evaporated by then.
The option that accurately describes ^18 O / ^16 O ratios of the oceans is option D) During periods of colder temperature 16O is locked up in snow and ice and the oceans have a higher preponderance of 18O; during warmer periods the isotope ratio of 16O to 18O is higher.
What does the Redfield ratio tell us?The Redfield ratio measures the proportions of several chemical components found in typical phytoplankton biomass. It specifies how photosynthesis and remineralization reactions stoichiometry.
In global circulation models, the Redfield ratio is essential for calculating the fluxes of carbon and nutrients. If there is a limiting nutrient in a localized system, they also aid in identifying which nutrients are it.
Therefore, one can say that High oceanic delta-O-18 values correspond to cold climates, while low values correspond to warm climates. The results of precipitation and evaporation result in this trend. In warm, tropical regions, the ocean is high in 18O because 16O evaporates earlier due to its lesser weight than 18O.
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Which of the following accurately describes 18O/16O ratios of the world's oceans?
A) Because 18O evaporates more readily than 16O, the oceans have a higher relative abundance of 16O during warm periods and a more balanced ratio when evaporation is less.
B) The higher the ratio of oceanic 16O to 18O, the colder the temperatures because the 18O will have been mostly evaporated from ocean waters.
C) The 16O/18O ratio is low during colder temperatures because temperatures are too low for
evaporation to be effective and both isotopes remain in the ocean.
D) During periods of colder temperature 16O is locked up in snow and ice and the oceans have a
higher preponderance of 18O; during warmer periods the isotope ratio of 16O to 18Ois
higher.
E) Neither the 16O or 18O isotopes are common in water, so when either is present, it shows a
disequilibrium in normal climatic conditions.
Without the discovery of magnetic reversals recorded on the ocean floor, scientists.
Without the discovery of magnetic reversals recorded on the ocean floor, scientists could not provide a mechanism for moving continents.
Causes and effects of the invention of magnetic reversalScientists don't really know what causes magnetic field reversals, though they have duplicated the phenomenon in laboratory experiments with liquid metals, which would also spontaneously change the direction of their magnetic fields. Some theorists believe that magnetic field reversals could be caused by real events, such as the collision of tectonic plates or the impact of a large meteor or asteroid, but this theory is discounted by others. It is known that leading up to a magnetic reversal, the field strength decreases, and since our current magnetic field strength is now in steady decline, some scientists believe we will see another magnetic reversal in about 2,000 years.
If, as some scientists have suggested, there was a period in which there was no magnetic field at all before the reversal occurred, the effect on the planet is not well understood.
Some theorists suggest that having no magnetic field would expose the Earth's surface to harmful solar radiation that could potentially cause the global extinction of life. However, there are currently no demonstrable statistical correlations in the fossil record to verify this. The last reversal occurred around 780,000 years ago, and there is no evidence to suggest that there was a mass species extinction at that time. Other scientists argue that the magnetic field does not dissipate during a reversal, but only grows weaker temporarily.
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Which of the following are produced by wave erosion? Choose one: A. sea stacks. B. seawalls. C. breakwaters. D. jetties. A.
A characteristic that is produced by wave erosion is A. sea stacks.
What is wave erosion ?Sediments from cliffs and shorelines are eroded by waves. Ocean water's sediment functions as sandpaper. They degrade the shoreline over time. More erosion is brought on by larger waves and more sediment carried by them.
The main factor causing erosion along the coast is waves. By eroding rock and shifting sand and other debris, waves sculpt the coastline.
As a result, we see that sea stacks will be caused by wave erosion from repeated contact by waves to the coast.
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Underground coal mining is more dangerous and labor extensive compared to _____ mining, so it is also more expensive
Underground coal mining is more dangerous and labor extensive compared to strip mining, so it is also more expensive.
The process of removing coal from the earth is known as mining. Because of its high energy content, coal has been utilized extensively to produce electricity since the 1880s. Coal is used as a fuel in the steel and cement industries to extract iron from iron ore and to make cement.
Environmental concerns have become more significant since 1970, including the health of workers, the degradation of the environment caused by strip mining and mountaintop removal, air pollution, and the impact of coal burning on global warming. By removing the ground above each coal seam, strip mining exposes the coal. The earth that has to be removed is known as "overburden" and is taken out in broad strips.
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City data on Lindsborg, Kansas revealed that only 15% of its population is Swedish. Yet the town is called Little Sweden because it prides itself on its Swedish food, statues, and festivals. A town of mostly non-Swedish residents more likely promotes Swedish culture because….answer choicesThey want to demonstrates political allegiance to SwedenThey want to use Swedish culture to promote tourism and make moneyThey want to show their local culture and their history of Swedish migrants through place-makingIt is a sign of opposition to globalization and popular cultureIt is a tradition that carries no meaning for most residents
A town of mostly non-Swedish residents more likely promotes Swedish culture because they want to show their local culture and their history of Swedish migrants through place.
Lindsborg refers to itself as "Little Sweden" because it was founded in the late 1800s by Swedish immigrants. The town represents its Swedish heritage, history, culture and traditions. Souvenir shops, antique stores, Swedish restaurants, and Dala horse statues abound in the downtown area. The Dala horse is a famous Swedish souvenir and handicraft. Although many of the gift shops sell differing sizes wooden horses, the streets featured these amusing large statues.
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according to a 2014 report conducted by yale university and george mason university, the majority of the public surveyed in the united states agreed that global warming is occurring, and believed it was caused primarily by human activities.
According to a 2014 report conducted by yale university and George Mason university, the majority of the public surveyed in the united states agreed that global warming is occurring, and 50% believed it was caused primarily by human activities.
Using fossil fuels like coal and oil has increased the quantity of carbon dioxide in the atmosphere during the last century (CO2). This increase is the consequence of burning coal or oil, which creates CO2 when oxygen and carbon dioxide in the air combine. A rise in greenhouse gas concentrations has been mostly attributed to the clearance of land for industrial, agricultural, and other human endeavors which in turn contributes to Global warming.
The industrial activity on which our modern civilization depends have raised atmospheric carbon dioxide levels by over 50% since 1750. The spike in temperature may be attributed to human activities, according to a distinct isotopic fingerprint that researchers have found in the atmosphere.
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in the forest, little sunlight is able to penetrate to the ground through the thick crown cover. as a result, .
In the forest, little sunlight is able to penetrate to the ground through the thick crown cover. as a result, little plant growth is found on the forest floor.
One of the most recognisable aspects of a forest ecosystem is the forest floor, also known as trash, duff, and the O horizon. It mostly comprises of vegetative elements that have been shed, such as leaves, branches, bark, and stems, which are present above the soil surface in varying states of decomposition. The forest floor is primarily made up of non-living organic detritus, although it also contains a broad range of animals and plants. Due to the abundance of decomposers and predators, usually in the form of invertebrates, fungi, algae, bacteria, and archaea, it is one of the most biologically diverse parts of the ecosystem. In tropical woods, where rates of metabolism and species variety are significantly higher than in colder regions, certain plants might be more readily visible.
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One dish of Sweden translates into "Sour Herring" and is fermented fish.
O True
O False
Answer:
the answer is 01110100 01110010 01110101 01100101 . do a tiny bit of work decoding it
Explanation:
Which of the following biomes has the highest soil nutrient levels? (a) Tropical rainforest, (b) Temperate rainforest, (c) Boreal forest, (d) Woodland/shrubland, (e) Temperate seasonal forest.
This biome's extremely rapid decomposition is caused by the warm temperature and abundant rainfall, allowing the vegetation to quickly absorb the soil's nutrients and achieve high productivity. Letter (a) is the most appropriate response here.
What do tropical rainforests consist of?The majority of tropical rainforests can be found in the tropics, between 23.5°N (the Tropic of Cancer) and 23.5°S (the Tropic of Capricorn). Central and South America, western and central Africa, western India, Southeast Asia, the island of New Guinea, and Australia all have tropical rainforests.
Which three main tropical rainforests are there?There are three regions of the tropical rainforest: Neotropical (South America and Focal America), African (Africa and Madagascar), and Indo-Malaysian (India, Southeast Asia, Australia and the Pacific Islands).
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use the mlc map document (it shows all the typical components of a mid-latitude cyclone: the l, fronts, isobars), and your lecture notes and diagrams from meteorology lectures 6 through 13 to answer the questions below.
A mid-latitude cyclone develops more specifically when an upper-level disturbance crosses over a stationary front at the surface, weakening the area of low pressure along it as divergence aloft lessens the weight of the local air columns.
The dynamic interaction of warm tropical and cold polar air masses near the polar front leads to mid-latitude cyclones. The warm air is cyclically lifted vertically into the atmosphere as a result of this interaction, where it combines with colder upper atmosphere air. On satellite images, mid-latitude cyclones can be recognized by their "comma" shape. Figure A shows the "Storm of the Century" in 1993. (Photo credit: NOAA) Just with other low pressure systems, mid-latitude cyclones develop from the divergence of air high in the atmosphere. According to the Norwegian model, commonly referred to as the polar front theory, cyclones have a six-stage life cycle that is generally predictable. Located in the middle latitudes (i.e., 30 N to 55 N), the mid-latitude cyclone is a synoptic scale low atmosphere system with cyclonic (counter-clockwise in the northern hemisphere) flow.
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The geographic study of the distribution of languages provides a good example of
a. the interplay between globalization and local divserity
b. the diffusion of folk culture in different areas of the world
c. the role and spread of religion across much of the world
d. the diffusiosn of free markets across much of the world.
The interplay between globalization and local diversity. the answer is option [a].
What is globalization?Multiculturalism has become more prevalent in society as a result of globalization. In attitudes, multiculturalism encourages adjustment and acceptance. Ones that support cultural variety are seen as being more open-minded and cosmopolitan than societies that support homogeneity. The blending of traditions and the sharing of cultural values across many nations are both influenced by cultural globalization. For cultural globalization is characterized by the blending of consumer and commercial cultures across nations and the expansion of global communication.
The merging of traditions and the sharing of cultural values across many nations are both influenced by cultural globalization. For cultural globalization is characterized by the blending of consumer and commercial cultures across nations and the expansion of global communication.
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________ describes the range in particle sizes in a detrital sedimentary rock.
A) Sorting B) Cementation C) Size D) Shape
Answer:
sorting
Explanation:
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thanks
what is the percentage of the west coast compared to canada
Answer:
80%
Explanation:
The majority of Canada's population is concentrated in the areas close to the Canada–US border. Its four largest provinces by area (Ontario, Quebec, British Columbia, and Alberta) are also its most populous; together they account for 86.5% of the country's population.
From the list below select all the factors that determine if a rock or mineral is considered an ore
Concentration of the commodity
Proximity to markets
Prices controlled by supply and demand
Ease of extraction
The factors that determine if a rock or mineral is considered an ore include:
Concentration of the commodity
Ease of extraction
What makes a rock?A rock is a solid mass composed of geological materials. Individual mineral crystals, inorganic non-mineral solids such as glass, fragments of other rocks, and even fossils are examples of geological materials.
A mineral or mineral species is a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form in geology and mineralogy.
Igneous rocks form from molten rock deep within the Earth. Layers of sand, silt, dead plants, and animal skeletons combine to form sedimentary rocks. Metamorphic rocks are formed from other rocks that have been altered by underground heat and pressure.
It should be noted that the concentration of the commodity and the ease of extraction is important in determination of the ore.
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which of these are characteristics of an artesian well?
A. penetrates an unconfined aquifer
B. requires pumping
C. penetrates a confined aquifer
D. does not require pumping
characteristics of an artesian well are does not require pumping, penetrates a confined aquifer.
What is an artesian aquifer ?Pressurized aquifer intersecting the surface from which water gushes without being pumped. Water table. Top layer of water in an aquifer.
Why does an artesian well flow without pumping?A well that has been dug into an aquifer in a place where the pressure below the ground is high enough for the water to rise inside the well is called an artesian well. Sometimes there is enough pressure for the water to rise from the aquifer to the surface of the ground without the use of a pump.
What does an artesian well require?Simply put, an artesian well is a well that draws water to the surface without the aid of a pump. When the aquifer's positive pressure is high enough, the water rises to the surface. This positive pressure is brought on by an artesian aquifer that is contained between impermeable rocks or clay.
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which of the following occurs when the sun, moon, and earth are in alignment (i.e., in opposition or conjunction)?
Whenever the sun, moonlight, and earth are lined up, the tidal ranges are at their greatest.
How do tidal ranges work?The term "tidal range" refers to the height difference between high tide and low tide. The rising and lowering of the tide is frequently accompanied by a horizontal water movement. The values after Morgat correction are: 1.50 - 0.10 Equals 1.40 m of low water. 7.10 - 0.40 ≈ 6.70 m is the high tide.
The significance of tidal range.The seashore is more affected by this phenomenon as the tide range increases. However, the slope of the a beach or even other coastal landform is equally significant since, even in a macro-tidal setting, a steep cliff only offers a minimal difference in the region over which the waves and currents can operate.
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one way to treat a dying beach is to dig up sand somewhere and dump it on the beach. what is this likely to accomplish? group of answer choices it causes growth of the beach for the next century, because the sand attracts more sand from the longshore drift. it causes the beach to lose the new sand, but only after many centuries, as the extra sand is very, very slowly washed back to deep water by waves and currents. it causes the sand to pile up under the boardwalk, forcing all the people hiding under there to run up into the sun and do song-and-dance numbers to music from the 1950s. it causes the beach to lose the new sand over the next year or years, as the extra sand is washed back to deep water by waves and currents.
The excess sand is washed back to water depths by waves and currents, causing the beach to lose the fresh sand over the next year or so.
Sand is moved by waves and currents. To make up for this, we'll have to move a lot of sand. Building beaches from extracted sand can work, but the sand quickly returns to deep water, so the activity must usually be reiterated every year or every few decades to keep the beaches large and sandy.
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Given segment AC bisects angle BAD, angle B is congruent to angle D. Prove segment BC is congruent to segment CD
The proof that BC is congruent to segment CD, where AC bisects angle BAD, angle B is congruent to angle D is given below:
AC bisects ∠BAD, => ∠BAC=∠CAD .................... 1
thus in ΔABC and ΔADC, ∠ABC=∠ADC (given),
∠BAC=∠CAD from 1)],
AC (opposite side side of ∠ABC) = AC (opposite side side of ∠ADC), the common side between ΔABC and ΔADC
Hence,
by AAS axiom, ΔABC ≅ ΔADC,
Therefore, BC (opposite side side of ∠BAC) = DC (opposite side side of ∠CAD), since (1)
Thus, BC=DC proved.
What is proof?A mathematical proof is an inductive argument for a mathematical assertion that demonstrates that the provided assumptions logically ensure the conclusion.
A proof is an argument that you use to persuade your readers that a mathematical assertion is correct. It might be a calculation, a verbal debate, or a combination of the two. Proof writing, as opposed to computational math problems, necessitates higher attention on mathematical precision, organization, and communication.
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