Hydrogen bonds hold together the atoms in a water molecule.<span> A single water molecule is made up of two hydrogen atoms and one oxygen atom</span>
the answer is letter A
Although cells are diverse, they all have certain parts in common: plasma membrane, cytoplasm, ribosomes, and DNA.
<span>d. Not all rainforests are tropical rainforests.</span>
Not all rainforests are tropical rainforests because some are distinguishable from the others and these rainforests has its own designated climate that allows the specific species of plants to grow and thrive in that environment.