Its A and B i think because when cold air and warm air.mixed it.form precipitation like tornado
So that it can protect exposed tissue, a layer of meristematic cells, cork cambium, or phellogen rises from the cortex.
Answer:
i belive its B, so sorry if im wrong!..
Explanation:
Cell wall is the outer permeable covering in all pants and almost all prokaryotes ! cell wall are mainly made up of cellulose , sometime by chitin!!
HI there!!!!!!
It would probably be the heart, brain or our muscles; they are constantly working !