C Camera. I think this because you can make timelapses with cameras which makes it easy to see.
Answer:
b i took the test like a week ago trust me
Explanation:
Answer:
I believe the answer is sea floor spreading
Answer:
Time use of cellphone times 3 hours before sleep.
Explanation:
It is scientifically proven that cell-phone use before bed can disturb your sleep. The blue light can cause your brain to release chemicals that associate with staying awake or even waking up. So measure the hours or minutes you use your phone 3 hours before you go to sleep.
