The correct answer is all fo the above
True I believe ????
Explanation: I’m kinda confused on what the question is
vaccines build up antibodies,with booster vaccines the body builds up a greater resistance to prevent the disease
Answer:
it keeps them alive and unseen by their enemies. keeps them from getting eaten
Answer:
Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis, oxygen being a by-product.
Explanation:
