Answer:
C) period
Explanation:
Groups are columns on the periodic table (with the same number of electrons on the outer shell of the elements), whereas periods are rows (increasing in atomic number by 1 - 5, 6, 7, 8, 9 etc.)
Answer:
for movement of water through an organism
Explanation:
transpiration is the process by which water is transported from the roots to the leaves of a plant through the xylem
I think it is rna, or ribosomes
The answer is, D. Organ system
