Answer:
Oxygen in the atmosphere is a molecule because it contains molecular bonds. It is an element because it is made from atoms of only one element - oxygen.
Explanation:
Answer: C.
Explanation: During a nuclear fusion reaction, it gets squeeze together so tightly that four hydrogen nuclei combine to form one helium atom. This is called nuclear fusion. In the process some of the mass of the hydrogen atoms is converted into energy in the form of light. The same process occurs in thermonuclear (fusion) bombs.
Answer:
it stayys on surfaces fir up to 2 weeks unless disinfected
Explanation:
