Answer:
<em>-Changing electric and magnetic fields </em>
Explanation:
Electromagnetic forces from the sun are formed when electric charges change their potential energy.
This electromagnetic forces are produced at different wavelengths across across the EM spectrum.
The sun also emits x-rays during solar flares.
The absorbed energy causes one or more electrons to change their location and get replaced by absorbed energy.
Correct answer: True
Subsurface mining is one of the types of mining, which is done when minerals that are mined are present below the surface of the earth. This is done because the minerals cannot be obtained from the surface level. Then, in that case, subsurface mining is done.
It is done by constructing a reinforced tunnel down the surface to the place where the mineral resource is present.
Answer:
b. small rings of bacterial DNA
Bone marrow looks like jelly and is responsible for making red blood cells.<span />
