Answer:what is the question
Explanation:
Geologists estimate that the Earth is 4.54 billion years old, based on:______.a. radiometric dates on rocks from the Canadian craton. b. isotopic dating of meteorites from the first differentiated bodies of the Solar System. c. age estimates of Moon rocks. d. relative age dates on clastic zircons from Australia.
Answer:
B. isotopic dating of meteorites from the first differentiated bodies of the Solar System.
Geologists estimate that the Earth is 4.54 billion years old, based on isotopic dating of meteorites from the first differentiated bodies of the Solar System. The response is option B.
How does meteorites tells the age of solar system?The first solid substance to develop in our solar system can be found in some so-called "primitive" meteorites. The age of this substance, 4.568 billion years, has been used to calculate the age of our solar system. Many ancient meteorites have practically not altered since they were created.
More than 4.5 billion years ago, when the solar system was still young, dust and other microscopic particles that eventually combined to create asteroids gave rise to chondrites. Chondrites are essential to the investigation of the solar system's origin, age, & composition because they developed at the same time as the solar system.
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Why is civic participation important for a functioning democracy? A. It encourages people to pay taxes regularly. B. It involves people improving their communities. C. It improves trade relations with neighboring countries. D. It encourages people to spend more.
Answer:
B. It involves people improving their communities.
Explanation:
Civic participation is where people have the chance to influence public decisions and be a part of the democratic process.
Answer:
The Answer is B.
Explanation:
I know because I got 100% on my test and that was a question.
The world population changed relatively little between the years 1200 and 1400. Which of the following statements about this time period is likely true?A.
The birthrate and death rate were about equal.
B.
The death rate far exceeded the birthrate
C.
The birthrate was much higher than the death rate.
D.
This question cannot be answered using the given information.
Answer: C
Explanation:
how many biomes are there?
Answer:
There are the following biomes:
1. terrestrial biomes
tundra taiga hardwood coniferous forest mixed forest steppe steppe savanna prairie pampas desert semidesert mangrove2. aquatic biomes
When did the earth sciences become more recognized professions
Answer:
Earth sciences have always had certain importance, since thanks to them we generate new information about energy flows in nature and we learn to take advantage of this information to prevent meteorological, seismic, volcanic, and environmental risks.
Explanation:
Earth sciences or geosciences are disciplines that study the changes that exist in it, such as the structure, movement, and evolution existing.
All these disciplines help to plan the rational exploitation of resources, understand the causes of natural disasters, and how they directly influence nature.
Some of these are geology, geophysics, oceanography, climatology. etc.
3 physical factors which determine the type and density of forests.
Explanation:
The physical environment of forests is determined by edaphic (soil) factors and micro-climate (precipitation, light, temperature, and wind). Gas-exchange within forest canopies depends upon the microclimatic condition within the forest, as well as, edaphic factors and water availability.
Iridium, a hard, whitish metal similar to platinum, is extremely rare on Earth. Extremely high concentrations of iridium on Earth result
from only two scenarios: massive volcanic eruptions that release iridium from deep within the Earth and meteorites that shower down on Earth from space. When scientists found concentrations of iridium 30 times higher than normal in rock stratum from 65 million years
ago, they concluded that a massive meteor or comet hit the Earth and caused the massive extinction of the dinosaurs.
Which of the following, if true, most strongly supports the scientist’s conclusion?
A. Volcanoes massive enough to generate high concentrations of iridium are very rare.
B. Massive volcanic eruptions occurred frequently 80 million years ago.
C. Most scientists support the hypothesis that a cosmic impact wiped out the dinosaurs.
D. The massive extinction that occurred 70 million years ago killed not only the dinosaurs but also 70 percent of all life on Earth.
E. A comet struck the earth some 120 million years ago, but no widespread extinction occurred.
Answer:
B. massive volcano eruptions occurred frequently 80 million years ago
Massive volcanic eruptions occurred frequently 80 million years ago is most strongly supports the scientist’s conclusion. Therefore, option B is correct.
If massive volcanic eruptions occurred frequently 80 million years ago, it suggests that the high concentrations of iridium found in the rock stratum from 65 million years ago could be attributed to these volcanic eruptions rather than a cosmic impact.
This would weaken the argument that a meteor or comet caused the extinction of the dinosaurs, as an alternative explanation for the elevated iridium levels is provided.
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Do you think the climate of our Earth will remain same after next 30 years? Justify it.
Answer:
No it will not stay the same for the next 30 years
Explanation:
We are polluting the planet vey fast and so fast that the planet cannot recover. Just thing of the virus spreading and now spreading so fat that we have no time to cure it .
Answer:
The Earth's climate changes from year to year, summers are warmer, winters are harsher and sometimes snow-free. In desert areas, temperatures are rising, and water resources are insufficient. Human activities greatly destroy the geographical environment: oil accidents, pollution of oceans and seas, large amounts of waste.
Scientific studies show that the Earth's climate is changing and there is an increase in temperature and even the melting of mountain and cap glaciers.
In the next 30 years the planet's climate will change depending on the responsibility of humans to protect the planet and maintain a healthy and clean environment.
Which of the following statements is correct? Which of the following statements is correct? Only fossils of microorganisms are found in geological strata older than the Cambrian. The Cambrian explosion is evidence for the instantaneous creation of life on Earth. There are fossils of animals in geological strata that are older than the Cambrian. The Cambrian explosion marks the appearance of filter-feeding animals in the fossil record.
Answer:
Option: There are fossils of animals in geological strata that are older than the Cambrian.
Explanation:
The Cambrian Period regards an essential part of life on Earth. It is the period when most of the animals first emerge in the fossil history. This event is called the Cambrian explosion. According to scientists, the Cambrian period began after the sudden increase of oxygen that led to the evolution. Insects, spiders, and crustaceans and brachiopods were some of the species that emerged.
The correct statement is that there are fossils of animals in geological strata that are older than the Cambrian.
What is the Cambrian period?
The Cambrian period is one where most rocks have the appearance of fossils.
They are the earliest records of the fact that there were fossils of plants and animals in the world.
In the Andes Mountains of South America, entire towns of thousands of people have been buried suddenly when water and loose materials traveled downhill as a viscous fluid. This type of catastrophic event is known as a
Answer:
Debris avalanche
Explanation:
Debris avalanche is usually caused by unstable volcanic conditions or collapse of a slope and is characterized by the a large amount of soil and sometimes water bodies being buried as a result of the movement of the debris being moved after the collapse.
It is also characterized by water and loose materials traveling downhill as a viscous fluid.
Based on the given description,this type of catastrophic event is known as a:
Debris avalanche
According to the given question, we are asked to show the name of the catastrophic event which is described from the given scenario about water and loose materials moving downhill.
As a result of this, we can see that the best description for the given scenario is that it is a debris avalanche because it is a type of volcanic condition where soil and water combines and bury large bodies after it has traveled downhill
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Lines b and c are parallel. Horizontal and parallel lines b and c are cut by transversal a. Where line b intersects line a, 4 angles are created. Labeled clockwise, from uppercase left, the angles are: (13 x + 9) degrees, 2, 4, 3. Where line c intersects line a, 4 angles are created. Labeled clockwise, from uppercase left, the angles are: 5, 6, (5 x + 9) degrees, 8. What is the measure of Angle6?
Answer:
54°
Explanation:
We believe the intended angle numbering is as shown below. This means the marked angles are supplementary, so ...
(13x +9) +(5x +9) = 180
18x +18 = 180
x + 1 = 10
x = 9
Angle 6 is congruent to (5x+9), so has measure ...
(5(9) +9) = 54 . . . . degrees
Angle 6 is 54 degrees.
which is the known as cold continent
Answer:
Antarctica
Explanation:
What well-known parallel is 1.6° South of 22.9068° S, 43.1729° W?
Answer:
Tropic of Capricorn
Explanation:
The Tropic of Capricorn which is also known as the Southern tropic is the furthest direction south of the Equator where the Sun can be located vertically overhead as it the location of the subsolar point at the southern solstice. In the middle of June, the Tropic of Capricorn reaches a position of an angle of 90° below the horizon at midnight
The latitude of the Tropic of Capricorn is 23°26'11.8'' south of the Equator, while the location of the Tropic of Capricorn is shifting northward at a rate of 15 meters annually.
What are Earth’s plates currently drifting on?
Answer:
[tex]\boxed{\sf Magma \ currents}[/tex]
Explanation:
The Earth’s plates are currently drifting on partially melted rock located on the upper mantle layer.
Match the mountain range with its type of formation.
Andes
Continental-continental
Aleutian
Fault-block
Grand Tetons
Oceanic-oceanic
Himalayas
Oceanic-continental
The mountain ranges given above can be matched with their types of formation as,
Andes – Oceanic-continental;
Grand Tetons – Fault-block;
Himalayas – Continental-continental;
Aleutian – Oceanic-oceanic.
What are mountain ranges?A series of mountains or hills, which are connected throughout a particular region with the grounds of higher altitudes, typically very high above the sea-water level, are known as mountain ranges.
There are different types of mountain ranges in the world based upon their formation in the region that they belong to.
Hence, the types of formation of the mountain ranges are aforementioned.
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Which is an example of a divergent boundary? Great Rift Valley Himalayan Mountains Peru-Chile Trench San Andreas Fault
Answer:
Great Rift Valley
Explanation:
The Great Rift Valley is currently in the process of splitting the African plate into two different plates, and it's a divergent boundary, moving the Somalian, Arabian and Nubian plate away.
Hope this helped!
Answer:
Great Rift Valley
Explanation:
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How can you combat the danger of a single story?
How can teachers?
How can politicians?
Answer:
We should read it again and again.
And try understand what the author is willing to explain...
Teachers:
Teacher's used to read the every lessons at their free time.So that they can understand the concept very easily..
What causes magma in the lower mantle of Earth to rise up toward the crust?
Answer:
The magma rise up because of the movement of tectonic plates
Explanation:
When they move each other,the magma rises up to fill that spacewhat is population distribution
Explanation:
population distribution means the pattern of where people live. world population distribution is uneven
Which piece of evidence explains WHY the 5 themes of geography were created?
A.In 1984, educators sought to better organize the teaching of geography in kindergarten through 12th grade classrooms.
B.The themes were created by the National Council for Geographic Education & the
Association of American Geographers.
C.While these five themes have been since replaced by the National Geography
Standards, they still provide an effective organization for the teaching of geography.
D.Humans shape the landscape through their interaction with the land; this has both positive & negative effects on the environment.
Answer:
g
Explanation:
what is the capital of Combodia?
Answer:
Phnom Penh
hope this helps :)
Can someone help me i guess .
Answer:
Whereas weather refers to short-term changes in the atmosphere, climate describes what the weather is like over a long period of time in a specific area. Different regions can have different climates. To describe the climate of a place, we might say what the temperatures are like during different seasons, how windy it usually is, or how much rain or snow typically falls.
Explanation:
The following are statements describing the demographic and economic conditions which may be generally ascribed to the European Realm. Which one is inaccurate?
A) Europe constitutes one of the great population clusters of the world.
B) levels of economic development in Europe decline from east to west.
C) Europe's population is highly urbanized.
D) European agriculture is mainly market-oriented.
Answer:
The following are statements describing the demographic and economic conditions which may be generally ascribed to the European Realm. Which one is inaccurate?
B) Levels of economic development in Europe decline from east to west.
The correct one is: Levels of economic development in Europe decline from west to east.
Which countries’ boundaries changed as a result of World War | or World War ||?
Spain
Soviet Union
Czechoslvakia
Poland
Germany
Portugal
Estonia
Sweden
Answer
Soviet Union
Czechoslovakia
Poland
Germany
Estonia
Which of the following best describes "overburden"?
Drilling underneath layers of rock and soil
Rock and soil that is removed to mine ore
Reclamation of land from mining ore
Residue that is left over from mining ore
Answer:
B. Rock and soil that is removed to mine ore.
Explanation:
Overburden is a material or substances that is present above the metal ore. This metal ore is present inside the rock and soil so for its extraction the rock and soil must be removed that is present above it. Metal ore such as gold, silver,coal, iron and platinum are present inside the earth crust. These metals are not present in pure form some soil particles or other substances are present with it which is removed with the help of various instruments and machines.
Date
Page
in the past not trade
think our
our people
you
Why do
large scale?
in a
Answer:
huh? im confused on what you are asking me
According to the map, which of the following statements is true? Russia remains heavily interdependent with nations of both Europe and Asia. The nations of Africa are heavily dependent upon one another for trade. Economically speaking, the nations of Europe operate independently from one another. The nations of South America have a high level of interdependence.
Answer:
ANSWER D)
Explanation:
THE NATIONS OF SOUTH AMERICA HAVE A HIGH LEVEL OF INTERDEPENDENCE.
Write a description of what happens to the water when it rains in your neighborhood. In your writing you should answer the following questions: Where does the rainwater go once it hits the ground? Where do you see that the rain is absorbed? Where does runoff occur? Where do you think most of the water ends up?
Answer:
The question can be best explained in the light of the world hydrological cycle.
Explanation:
This is a process of the hydrological cycle were the waterfalls in the form of rains and later on gets absorbed or evaporates from the ground or natural vegetation. This falling water may also get collected as lakes and other water bodies. When it rains in the neighbour the water the falls on the ground is in filtered through the pore of the soil and percolates deep down to form aquifers and groundwater table. This water body acts as a reservoir and in the end, meets with the water of the ocean and sea through the subsurface flow.The concept of natural rights which was used in the Declaration of Independence was first proposed by
Answer:
John Locke
Explanation:
The concept of natural rights was first proposed by an English philosopher called John Locke. He emphasized there factors known as Life, Liberty, and Property as being the core of independence and should be non-negotiable or sacrificed for anything.
This was adopted in the Declaration of Independence of the United States from Great Britain on July 4, 1776.
Rainfall that contains too much sulfur or carbon dioxide is called__________, which is making the ocean too acidic for many types of life.
Answer:
Acid rain
Explanation:
Acid rain consists of sulfur and carbon dioxide. Acid rain can affect all living thing even non-living thing. It can kill many animals and plants. Many stone buildings can dissolve and it can corrode many metal structure.
