A.He
because He 's molecular weight is small than each other
The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.
<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>
Answer:
A) Concentration
Explanation:
When you add a chemical to itself it becomes more concentrated making it more powerful and faster
Answer:
4 & 5 have the same number of elements
they all have one thing in common and that its all made up of atoms. When these components are active it creates energy