Answer:
was b
Explanation:
none of the above is the answer
C) xylem
Answer: the theory that all matter us made up of tiny invisible particles. Hope that help you out :)
= 6.42 × 10²²
(scientific notation)
= 6.42e22
(scientific e notation)
= 64.2 × 10²¹
(engineering notation)
(sextillion; prefix zetta- (Z))
= 64200000000000000000000
(real number)
i think its either a or d not sure, hope this helps