Answer:
Salt in the ocean comes from rocks on land. The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air. This causes the rainwater to be slightly acidic due to carbonic acid (which forms from carbon dioxide and water).
The answer is c because the earth not only is tilted it orbits
Answer:
D) Sea otters are a keystone species as they prevent a herbivorous species from completely destroying a plant species.
Explanation:
The colored part of your eye is the iris, B.
Answer:
speed up the rate of virtually all of the chemical reactions that take place within cells.