Answer:
Each year, the tree forms new cells, arranged in concentric circles called annual rings or annual growth rings. These annual rings show the amount of wood produced during one growing season. ... They form the summerwood (latewood) which appears as a darker ring on the tree cross section.
Low blood pressure stimulates the release of aldosterone from the adrenal glands.
It's c natural resources because they can never run out
I think the answer is no C coz it creates it's own anti bodies
Answer:
Ann atom of hydrogen consists of one proton surrounded by one electron