Explanation:
Bacteria have existed from very early in the history of life on Earth. Bacteria fossils discovered in rocks date from at least the Devonian Period (419.2 million to 358.9 million years ago), and there are convincing arguments that bacteria have been present since early Precambrian time, about 3.5 billion years ago. Bacteria were widespread on Earth at least since the latter part of the Paleoproterozoic, roughly 1.8 billion years ago, when oxygen appeared in the atmosphere as a result of the action of the cyanobacteria. Bacteria have thus had plenty of time to adapt to their environments and to have given rise to numerous descendant forms.
The nature of the original predecessor involved in the origin of life is subject to considerable speculation. It has been suggested that the original cell might have used RNA as its genetic material, since investigations have shown that RNA molecules can have numerous catalytic functions. The Bacteria and Archaea diverged from their common precursor very early in this time period. The two types of prokaryotes tend to inhabit different types of environments and give rise to new species at different rates. Many Archaea prefer high-temperature niches. One major branch of the archaeal tree consists only of thermophilic species, and many of the methanogens in another major branch can grow at high temperatures. In contrast, no major eubacterial branch consists solely of thermophiles. Both Bacteria and Archaea contain members that are able to grow at very high temperatures, as well as other species that are able to grow at low temperatures. Another prominent difference is that bacteria have widely adapted to aerobic conditions, whereas many archaea are obligate anaerobes. No archaea are obligately photosynthetic. Perhaps the archaea are a more primitive type of organism with an impaired genetic response to changing environmental conditions. A limited ability to adapt to new situations could restrict the archaea to harsh environments, where there is less competition from other life-forms.
Primary succession occurs when you have _____.
What do scientist use to to monitor volcano and hurricane activity.
Answer: Seismographs
Explanation:
Scientists use GPS and satellites to measure this deformation and can input this data into models that track the probability of whether an eruption will occur.
Scientists use a variety of tools and technologies to monitor volcano and hurricane activity.
For volcano monitoring, they employ seismometers to detect ground vibrations caused by volcanic activity, gas analyzers to measure gas emissions, and thermal cameras to monitor changes in temperature.
Additionally, satellite-based remote sensing helps track volcanic ash and gas plumes. In the case of hurricanes, scientists rely on weather satellites to observe storm formation and track their movement.
They also utilize weather radars to measure precipitation and wind patterns within the storm. Dropsondes, which are instruments released from aircraft, provide crucial data on temperature, humidity, and wind profiles within hurricanes.
These monitoring techniques help scientists gather essential information for early warning systems and research purposes.
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China's policy of punishing people who choose to have more than one child could be considered a violation of A. civil law B. human rights C. property rights D. international law Please select the best answer from the choices provided B 0 Save and Exit Next Submit Mark this and return
Answer:
I would say B.human rights
Explanation:
just cuz that makes the most sense:)
1 Day on _______ is longer than 1 year on _______? *
how many volcanic are there in India?
Answer:
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➳ India has 6 volcanoes. They are :-
Barren Island (the only active volcano in India)Narcondam IslandDeccan TrapsBaratangDhinodhar HillDhosi Hillʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
Mid-oceanic ridge is a long mountain range on the ocean floor, extending almost continuously through the North and South Atlantic Oceans, the Indian Ocean, and the South Pacific Ocean. A deep rift valley is located at its center, from which magma flows and forms new oceanic crust. As the magma cools and hardens it becomes part of the mountain range. Mid-oceanic ridges form when tectonic plates meet beneath the ocean and ridge-push, slab-pull or do both to create a subduction zone. See Also :
Answer:
Both.
Explanation:
Both ridge-push and slab-pull is responsible for the formation of Mid-oceanic ridges. Ridge push occurs due to gravitational force. As the rocks near the ridge cool down, they become denser as compared to the Mantle so the gravity pulls them away whereas, Slab pull is the pulling force exerted by a cold, dense oceanic plate dive quickly into the mantle due to its higher weight as compared to Mantle. So both ridge-push and slab-pull occurs at the Mid-oceanic ridges.
What accounts for most of the population growth of Europe?
O A. A high birthrate
O B. A negative migration rate
O C. A negative fertility rate
OD. A positive migration rate
A positive migration rate accounts for most of the population growth of Europe. Thus, the correct option is D.
What is migration?The long-term relocation of a person or group is known as human migration. Many categories can be used to categorize migrations. First, we can distinguish between domestic and international migration.
In contrast to international migration, domestic travel is the movement of people and families within a single country. Migration can also be forced or voluntary, second.
Whether internal or external, the majority of voluntary movement is made in search of better job or housing opportunities.
Forced migrations often consist of people who have been forcibly moved as slaves or prisoners, or who have been ejected by governments during war or other political upheavals.
Between these two categories are the voluntary migrations of refugees fleeing conflict, famine, or natural disasters. Thus, the Europe has hight migration rate.
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What separates a region of the world from other areas? Think about geography and culture for your response.
use ur own words
Physical Boundaries
In geography, boundaries separate different regions of Earth. A physical boundary is a naturally occurring barrier between two or more areas. Physical boundaries include oceans, cliffs, or valleys.
Which of the following types of government is not fully democratic or autocratic but
a mix of the two?
a) republic
b) anarchy
c) authoritarian
d) anocracy
Answer:
D.
Explanation:
An anocracy is a form of government that is not fully democratic or autocratic. Such a form of government is democratic in nature but has autocratic features. An increase in the anocratic government occurred after the Cold War. The number of countries that adopted an anocratic government from 1989 to 2013 was 30-53.
The countries that exemplify an anocratic government is Cambodia, Thailand, Burma, etc.
Therefore, option D is correct.
Based on your observations of the orbits of the Moon, Earth, and Venus, how does the radius of an orbit relate to the average speed of the orbiting body?
WILL GIVE BRAINLIEST
please describe what terrestrial planets are in 4 sentences DO NOT SEARCH UP if you search it up i’m not giving brainliest sorry
Answer:
The definition of terrestrial planets is.. they are planets that are solid rock or metal. in our solar system, the terrestrial planets are the four inner planets. Our inner planets are Mercury, Venus, Earth, and Mars. Terrestrial planets are also known as Telluric or Rocky planets. The term “Terrestrial” is made of Latin word for Earth “Terra”. That is why terrestrial planets are also called “Earth-like” planets, due to the similarity in the structure of the planet Earth.
What Natural disasters ocurr in the texas ecoregions?
Piney woods
Post oak savannah
Blackland prairie
Gulf coast
South Texas brush
Edwards plateau
Llano uplift
Rolling plains
High plains
Trans pecos
Answer:
i no 4 does
Explanation:
Energy is harnessed from the __________ of New Zealand’s North Island. A. geothermal plateau B. Vinson Massif C. high island D. limestone plateau Please select the best answer from the choices provided
Answer:
A. The answer is geothermal plateau.
Answer:
A
Explanation:
A
Which state in the US is the highest producer of poultry and if it were a country it would have been the country with the highest production of poultry
Answer:
no it would been not because Iowa
Iowa had the highest number of chickens of any U.S. state in 2020 with about 60 million heads. Indiana and Ohio came in second and third place, with around 44.5 million and 43 million heads respectively. Chickens are one of the most commonly produced livestock in the United States.
Explanation:
Explanation:
how to graph a photographic chan takes off to face
when did the colonialism period end in Africa, for the most part?
a. 1860
b. 1760
c. 1960
What is the climate of the continental shelf?
is the edge of a continent that lies under the ocean.
Explanation:
In Southwest Asia and North Africa population density is most impacted by-
A. the availability of water
B. traditional religious practices
C. access to social media
D. freedoms given by the government
Answer:
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=> A. the availability of water
In Southwest Asia and North Africa, population density is most impacted by: A. the availability of water
The presence of water is a crucial element that profoundly affects population density in this area. It is well known that Southwest Asia and North Africa have dry and semi-arid climates with little access to fresh water.
The potential for agriculture and habitability of a region are both influenced by the existence of water sources including rivers, lakes, and subterranean aquifers. The ability to support human habitation, agriculture, and economic activity leads to increased population densities in areas with adequate water supply.
In contrast, areas with limited availability of water may have lower population densities due to difficulties in supporting greater populations.
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If you had a 20 gallon container and you filled it with air from the atmosphere, how many gallons of oxygen would there be in that container?
Answer:
4.2 GALLONS
Explanation:
Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.
the percentage of oxygen in the air is 21%
If a container has 20 gallons of air in it, oxygen in it = 0.21 x 20 = 4.2 gallons
¿Cuáles fueron los principales Estados coloniales y con qué objetivo emprendían la ocupación de territorios de ultramar?
Answer:
México, Perú, Chile, Nueva Granada, Venezuela, Río de la Plata y Paraguay.
Explicación:
México, Perú, Chile, Nueva Granada, Venezuela, Río de la Plata y Paraguay son los principales estados coloniales de España. Ocupan territorios de ultramar para obtener los recursos de estas tierras y mejorar la economía del país. España ocupa estas colonias para mejorar su condición económica y alcanzar el poder final en la región sobre otros países. La principal razón de la colonización de Filipinas es adquirir una participación en el comercio de especias y desarrollar contactos con China y Japón.
Can someone gift me a skin in fornite Emily_nene
Answer:
why you still play that game
Explanation:
yeah if you give me some points foo
Explanation:
facts yo
Which of the following are most likely to cause erosion? Choose more than one answer.
Answer:
rain & wind
Explanation:
no list but i have prior knowledge
The big, deadly explosions are caused by ____________, rich in CO2 that bubbles out, deeper down at much higher pressure. When CO2 starts appearing, a _____________ event is on its way.
Answer:
caused by mainly of water vapor and carbon dioxide ..... a volcanic euroption event is on the way.
The big, deadly explosions are caused by water vapor, rich in CO2 that bubbles out, deeper down at much higher pressure. When CO2 starts appearing, a volcanic eruption event is on its way.
What is volcanic eruption?A volcano is a hole in the surface of the earth through which gases, volcanic ash, and hot, liquid, or semi-liquid rock can escape. They often develop when tectonic plates collide or diverge, although volcanic hotspots can also cause them to form in the midst of plates. A volcanic eruption occurs when a volcano releases gas and/or lava, occasionally violently.
Many advantages of volcanoes for the environment include fertile soils, hydrothermal energy, and priceless minerals. Yet they also provide a number of risks, including mudslides, landslides, lava flows, pyroclastic flows, volcanic ash, gases, and lahars (mudflows) (fast-moving currents of hot gas). Volcanic eruptions frequently result in population dislocation, food shortages, and the potential for fatalities.
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Give one effect of deforestation on the soils of the rainforest
Answer:
soil erosion and coastal flooding.
Explanation:
Erosion generally decreases the productivity of forests by decreasing the available soil water for forest growth and through loss of nutrients in eroded sediment.
Soil erosion can go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species.
i will give brainleist no links
Conservationists help to restore ecosystems. Which activity will positively affect the abiotic conditions of an ecosystem?
Answer:
Keeping lakes and rivers free of pollution.
Explanation:
Answer:
you didn't sub,
Explanation:
Before they could see Neptune, what evidence led scientists to conclude that it existed?
Answer:
Orbit.
Explanation:
After the discovery of Uranus, scientists were having trouble figuring out the planet's orbit. They realized that there must be another planet farther out than Uranus.
Examples of mixed crop/livestock farming??? Help
Answer:
The cultivation of crops alongside the rearing of animals for meat or eggs or milk defines mixed farming. For example, a mixed farm may grow cereal crops such as wheat or rye and also keep cattle, sheep, pigs or poultry. Often the dung from the cattle serves to fertilize the cereal crops.
How can the use of pesticides and
fertilizers make it difficult for plants to grow
Answer:
the chemical fertilizers and pesticides have important role in crop production but recently appeared many problems and caused environmental pollution What do you think about using the chemical fertilizers and pesticides in the future?
Explanation:
Which of the following industries most matches Alfred Weber’s model of industrialization?
A.
a lumber business in the Pacific Northwest
B.
a coffee roaster in Germany
C.
a fish-stick factory in Kansas
D.
an oil refinery in New England
E.
a slaughterhouse in the center of the city
Answer:
The one which most matches Alfred Weber's model of industrialization is B) Cofee Roaster in Germany
Explanation:
Alfred Weber's theory of industrialization is centered around the need that industry need not be located far from it source of raw materials or from it's market for two main reasons:
1. it helps to ease transportation to factor especially where the raw materials are likely to be heavier than the finished product.
2. It also helps to lessen the ease of delivery, where the final product heavier than the raw materials inputted.
Central to this theory is also the cost factor of transporting goods to the factory and from the factory to the market. Weber's position is that it makes for better business sense if the cost is minimized by choosing factory sites strategically.
So the coffee roaster in Germany is the ideal representation of Webers theory because, they are a heavy producer, consumer, and exporter of coffee.
In 2019 for instance, Germany ranked 5th globally on the list of coffee exporters with an export valued at $2.4 billion.
Cheers
The correct answer is:
A. a lumber business in the Pacific Northwest
5. What happened the lake after the pollutants were added to it?
Answer:
The lake will gain nutrients. As such it will undergo eutrophication
Answer:
if u add stuff lie that to a lake the fish and wildlife will die and even sometimes teh water will no be safe to swim in
Explanation:
In the Caste system, Brahmins consisted of
Answer:
Explanation:
The Brahmin Varna consists of priests, and individuals of this specific Varna are separated into sub-castes called gotras
