Answer:
THis makes abousley no sensce what so ever sorrry
Explanation:
The answer should be A.
The control variable is the experimental variable that remains unchanged throughout the experiment. Alice did change the angles where the light from the ray box struck the mirror and where the mirror reflected the light. She also changed the direction, but she never really changed the ray box.
Answer:
to appreciate what you have when you do have it
Explanation:
Answer:
When plants and animals die or when animals excrete wastes, the nitrogen compounds in the organic matter re-enter the soil where they are broken down by microorganisms, known as decomposers. This decomposition produces ammonia, which can then go through the nitrification process.
Explanation: