Answer:
The mass number is 56
Explanation:
You just add the number of protons and neutrons to find the mass number of a atom.
Answer:
A, the sun.
Explanation:
The sun powers the water cycle and many others.
Answer:
A. the changes in the characteristics within a population that lead to survival.
Explanation:
those that cannot camoflauge or find a way to survive and reproduce, will die off.
Enzymes are used to break down glucose.
A. the cell theory stating that all living things are composed of cells.
Hope this helps!
-Payshence
