“Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis. During the process of photosynthesis, plants release oxygen into the air. People and animals need oxygen to breathe.” -http://www.mbgnet.net/bioplants/food.html
Hope this helped, good luck
A is the correct answer! Please let me know that this is a good answer
Ill say B poor soil Because how would you grown vegetation with out good soil
Answer: So whats your question?
<span>Sumerians built walls using the natural resource they were surrounded with, which was namely clay. They used this clay to create fired mud-bricks, as there was not any other building stone available at the time. However, the clay mud-bricks proved to be a solid structure for town fortification.</span>