One consequence would be that population would make it so their would be less food for them and then any species under that would be endangered eventually
The three different material that can erupt from a volcano is
1. Magma/lava (called Basaltic Lava)
2. Ash/ tephra
3. Igneous rock
It is c I believe cause the human cells can’t make their own food like plants do when they photosynthesis
Explanation:
Food gives us energy and builds our body. If we do not eat regularly, we will become weak.
I am making a educated guess and saying producers. Plants mostly.