Answer:
isotopes
Explanation:
The atoms of a chemical element can exist in different types. These are called isotopes. They have the same number of protons (and electrons), but different numbers of neutrons. Different isotopes of the same element have different masses.
Answer:
Photosynthesis takes the energy of sunlight and combines water and carbon dioxide to produce sugar and oxygen as a waste product. The reactions of respiration take sugar and consume oxygen to break it down into carbon dioxide and water, releasing energy.
Explanation:
Answer:
The answer is D
Explanation:
All of these solutions are correct.
probably none becuase it going staright unless its going down a hill
Gases in which the molecules that make it up naturally consist of two atoms of the same type.