Some are weaker than others it’s natural causes or they fight then d1e
Answer:
A. move materials through the body
Explanation:
The blood circulatory system (cardiovascular system) transports materials and delivers nutrients and oxygen to all cells in the body.
They<span> combine as atoms, and separate as ions. When </span>sodium and chlorine<span> atoms come together to </span>form sodium chloride(NaCl<span>), </span>they<span> transfer an electron. The </span>sodium<span> (Na) atom transfers one electron to the </span>chlorine<span> (Cl) atom, so that </span>they<span>both have full outer shells. ... When this </span>happens<span>, the atom is called a positive ion.
What do think the answer is now?</span>
<span>The set of conditions 1.00 atm pressure and 0.00 oc is defined as pressure.</span>
