Answer:
Tropical storm. They usually come out the ocean floor due to the massive wind acceleration.
The answer is B. I believe that this is the answer because the barnacle is benefiting from the gray whale without harming, or affecting it in the process.
B. Nearly 80% of Eritrea's population is employed in the industrial sector.
Answer:
C. Ocean waves
Explanation:
The ocean waves hit against the bottom of the sea causing the tectonic plates to shift.
The answer is D, natural gas.