Scientists currently monitor underground movements, such as earthquakes and nuclear tests, using seismometers – instruments that measure the motion of those events at the Earth's surface.
Answer:
A
Explanation:
The sun is what drives most processes, the sun gives energy to the plants which help them grow resulting in creatures consuming the plants. The sun is the major source so remeber that! :D
I am sure this is the answer so I hope this helps you!
Blue-green algae aka Cyanobacteria
<span>the part of science that deals with microorganisms</span>
