Answer: When the volume of the air increases, the air becomes less dense and rises. The rising, expanding air then creates an area of low-pressure.
Explanation: Edmentum
C. a delta. Because a delta is the only one of those choices to where it is formed at the mouth of a river
Answer: D. They are affordable for everyone to install.
Explanation: I hope this helps :)
Answer:
Humans produce too much carbon dioxide, and because of the chemical composition of water, more specifically, the water in the ocean, it is inclined to absorb it, thus making it acidic. Furthermore, human waste contributes to the acidity of the oceans.