Answer:
Option B.
Moving away from each other.
Explanation:
The spectra emitted by the objects in the solar system refer to the electromagnetic waves that are emitted from the object.
When viewed from the earth the shifting of the spectra to longer wavelengths suggest that the objects are not in the same position as they used to be. This is because the time the waves take to reach the earth have changed, thus suggesting also a change in their position.
Answer:
Athens had a large and capable navy
Gravity holds these planets in space. Without gravity everything would collapse and the world would end as we know it.
A bedding plane is a non-erosional boundary between two layers of sediment
(GLY ch. 9 > Earth Science)
<span>A scientific theory is proposed after several valid investigations. This makes scientific theories elaborate descriptions of observations. The reason why it is the answer is because it requires time and critical thinking in order to formulate the scientific theories of scientists.</span>