Answer:
D- It pumps blood against a greater resistance.
Explanation:
The left and right ventricle of the heart pumps the same amount of blood for circulation. The left ventricle is thicker because it pumps blood against a greater pressure of the systemic circuit. This means it pumps blood to all parts of the body.
The vast majority of a tree's carbon comes from the air, which averages 0.03-0.04% by volume (300-400 ppmv) CO2. This is fixed through photosynthesis and eventually stored as glucose which the plant can then use for its metabolism.
Answer:
This is complex
Explanation:
I recommend asking teacher for help and please don't ever my answers