I think it’s a mandible I’m not sure
Answer:The placenta begins to develop to provide food and oxygen.
Explanation:
I believe the correct answer is B. Spread by contact.
GLYCOLYSIS is the step of cellular respiration that converts each of her glucose molecules into pyruvic acid.
Glycolysis is also the first step in cellular respiration. This happens inside the cytoplasm. During this process the glucose is broken down into 2 and becomes 2 pyruvic acid.