4. The molecules serve as fuel for cells: their chemical energy can
be harvested through processes like cellular respiration and fermentation
ated into

here's your

hope it

the real answer is b. scintillation counter

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.