The Inner layer of tissue is used for digestion.
Answer:
The answer is A.
Explanation:
The question is asking how the moon phase changes from a new moon to a full moon. You can see on the Picture that when it is a <em>full moon</em>, the order from left to right is Sun, Earth, and Moon.
Wind is considered to be a biotic factor.
Answer:
First, it transports blood with oxygen and nutrients to cells all over the body. Second, it picks up waste products from the cells to be transported out of the body, and it takes the deoxygenated blood back to the lungs so it can regenerate.
Humans evolved 3 billion years ago after the earth was formed.<span />