<span> hydrogen, because it is a key component in organic molecules and provides most of the mass of human bodies. hydrogen, because it can be found in both organic and </span>inorganic<span> molecules</span>
<span>Active and passive transport help to maintain homeostasis because they transport fluid/water/materials across the plasma lemma (cell membrane). All of these materials need to exist in certain ratios for the cell to function properly. </span>
Answer:
Cardiac muscle is controlled involuntary, whereas skeletal muscle is voluntary.
Explanation:
Cardiac muscles are heart muscles which are not under the control of human while skeleton muscles are voluntary muscles and respond according to the stimulus.
I think answer should be d. Please give me brainlest I hope this helps let me know if it’s correct or not okay thanks
Answer:
Australia
Explanation:
they got wild fires to keep them warm