A is the answer ur welcome for helping u
<span>Shot in the head, the victim died instantly because the bullet entered the MEDULLA, the portion of the hindbrain that regulates breathing</span>
The oxygen cycle can be found in all but the geosphere. There's oxygen in the atmosphere, so it has to be there, and the biosphere includes living things, which breathe oxygen, and water (hydrosphere) is made up of partly hydrogen, so there has to be oxygen there as well.
The answer is:
A) light microscope
Here is how biologist study concept maps.
BIOSPHERE:
<span>ECOSYSTEMS:
</span>
COMMUNITIES:
POPULATIONS:
<span>ORGANISMS: </span>
ORGANS AND ORGAN SYSTEMS:
<span>TISSUES: </span>
<span>CELLS: </span>
ORGANELLES:
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