If a planet exists near a distant star, the star may have a very slight back and forth motion.
Answer:
"The ocean currents are too strong by the Amazon River to form deltas."
Explanation:
The ocean currents carry away sediment in the river before it can settle and form a delta.
<span>Carbon is most abundant in the atmosphere and hydrosphere.</span>
I think it’s the first one - a , but I could be wrong
