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>
Answer:
Gravitational force is responsible for moon revolving around the earth .
Answer: Weathering is the breaking down of rocks and minerals on the surface of Earth. Weathering is divided into two types, mechanical and chemical.
Explanation: One of the causes for mechanical weathering is water, either liquid or solid. A cause for chemical weathering is rain water. Rain water reacts with mineral grains in rocks to form new minerals.
