Answer:
<em>its the last one </em>
Explanation:
cause its the outer layer of the skin
Answer: Blood disease or maybe heart disease
Explanation:
Spongy tissues composed of microscopic cells in which inhaled air exchanged for carbon dioxide during one breathing cycle are lungs.
Gaseous exchange is the delivery of oxygen from the lungs to the blood stream, and the elimination of carbon dioxide from the bloodstream to the lungs. It takes place in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
The answer that makes the most sense of the 4 given is "producers".
A) is the answer due to the fact that mutation should be helpful to an organism
