<span>The amount of atoms in an element determine their atomic number. The atomic number of an element is used to organize them in the periodic table which in turn also gives each element its identity. The atomic number is also the number of atoms in an element as well as the number of electrons. </span>
For the first blank, it's cell membrane and the other blank is transport.
Answer:
A
Explanation:
The top answer is correct, over time it has become weaker.
The answer is carbon dioxide. so its true
any sort of ancient fossil would be my quess. also i am on achallenge to see how many friends i can get on brainly so pls friend me