The answer is; movement toward or away from Earth
Stars that move closer to the observer will be percieved as blue in the electromagnetic spectrum while starts moving away from the observer will appear red and orange. This is what is called the Doppler shift effect. This phenomenon is similar to the higher pitch of the siren of an ambulance approaching you and the low pitch of the siren when the ambulance passes you and is moving away from you.
Answer:
Sediment is deposited in a river delta because the river slows down.
Explanation:
As the river slows down, it collects surrounding sediments.
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Answer:
D. divergent oceanic-oceanic boundary
Explanation:
- The oceanic and oceanic divergent plate boundary is a plate boundary were in the two oceanic plates moves away from each other and is an example of the mid-oceanic ridges in the mid-Atlantic ocean,
- Due to the cooling of the magmas on both the sides and the spreading of the seafloor as a result of this. This zone is the place of the construction of the new sea surface and does not show volcanism.