How many groups are in the modern periodic table?
O 12
O 18
O 22
O 24

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.