Answer:cell wall i believe
Explanation:
A heifer
I dont know if this is a joke or not but the correct term is heifer
Because the mouth breaks down the food and the stomach uses acid to break food down even more...
Answer:
Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.
Explanation:
They don't use anything. Water and nutrients move through the plants body cell by cell.
