Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
Answer:
Negative
Explanation:
Aerosol -
It is the suspension of the solid or liquid particles in the air , is known as the aerosol .
The effect of aerosol is , that it reduces the amount of the solar radiations incident on the surface of the Earth , and due to this capacity to reflect the solar radiations , it has a negative impact on the Earth .
As we known solar energy are of huge importance for the human beings .
Hence , the answer is negative .
<span>Basaltic magma which is made of silica compounds is the source of the the lava that flows and is erupted from Volcanoes in the state of Hawaii. The amount of silica in each batch may differ, but it remains true that Hawaiian magma is basaltic.</span>
Answer:
https://www.greenfacts.org/en/ecosystems/index.htm#1
Explanation: this would help you to find the answer ,is a brief summary
The best answers for this questions would be:
B. To identify stars which are the same distance from Earth.
<span>This astrological signs help the research of the astronomers discover the distance of the earth. They named it, in order to keep track of the stars.</span>
