Blood cells are produced in the bone marrow and the bone marrow is part of the skeletal system. So the answer would be skeletal system<em>. </em>
Pollution :) Since Abiotic means non living.
Bacteria: Living
Food (worms or smaller fish): Living
Predators: Living
Pollution (dirt, trash, or other stuff): Non Living
Lipids contain more energy than carbohydrates because they contain more carbon to hydrogen bonds.
Answer:
The answer is A.
Explanation:
The CR endurance that is given in the question, or cardio respiratory endurance, can be described as the heart's, the muscles' and the lungs' ability to be able to work together effectively through extended periods of physical activity and it can be determined by measuring the amount of oxygen that the body uses in a minute during the said physical activity.
I hope this answer helps.
Al-Qaeda <span>chose its first American bombing targets if t</span>he targets were in Africa, which is not far from the Middle East. The second one is your answer. I hope this is the answer that you are looking for and it comes to your help.
