Answer:
Oxygen is reduced, gaining electrons and hydrogen ions. -second choice
The stem has more things to transport that's why it has more vascular bundles. The roots only get water from the ground and moving nutrients from the soil to transfer it to the stem. Having more vascular bundles helps the stems to transfer things to leaves and other parts of the plants.
Answer:
Any compound/molecule that contains carbon is considered an organic molecule. This is because carbon is considered the basis for all life on earth. Therefore, the answer is organic.
When old red blood cells rupture, the released hemoglobin is ingested by macrophages
