Question

Photosynthesis removes

pollution from the atmosphere.
carbon from the atmosphere and puts it in food.
sunlight from the Earth.
oxygen from the atmosphere and puts it in food.

Answer 1

Medals! Im pretty sure its the 3rd answer but need someone to confirm

Answer 2

There are more hydroxide ions in a solution than hydrogen ions. The solution is

a salt.
neutral.
basic.
acidic.