Environment related opportunities for service include lake cleanup. The correct option among all the options that are given in the question is the first option or option "a". There are several other types of services also related to environment. I hope that this answer has come to your help.
Answer:
Explanation:
Oxygen is of no use to them, so they release it into the air. So there's a simple explanation for the Great Oxidation Event. It was the cyanobacteria, pumping out unwanted oxygen, that transformed Earth's atmosphere.
The railroad tracks are parallel, because they go the same direction and don't intersect
The answer is C
I hope that helps you
Answer:
The greater the amount of silica in magma, the more viscous the magma is. The magma thus solidifies quicker as well.