Answer:
D. Microglia
Explanation:
Microglia are phagocytic, which means that they are cells that can engulf other cells and particles. Microglia protect the CNS by engulfing foreign particles and bacteria. They act also as a clean-up crew that help remove dead cells. They are found in both the brain and spinal cord, which make up the Central Nervous System, or the CNS.
Answer:
The comparison of a measurement with a known standard, used to determine whether the measurement is reliable. Measurement accuracy is identified as the difference between the measurement of a factor and the accepted value for that factor from a trusted external source, or the percentage by which the two values differ.
Explanation:
<span>It's asking what people would do if the ocean had favorable conditions as in going to swim, sitting on the beach.
It offers them something to do ( a sport). </span>
The Coronary Arteries vessel directly supplies the Hear muscle with Blood.
I think most of the environmental pressure will come from pollution, and a lack of space. With so many people around, there''s going to be a lot of vehicle use, and things such as littering. We're going to have to change and start cleaning up after ourselves and limit the use of gas.
The pressure in the past will be: raising temperature and flooding, more Co2 in the atmosphere.
We might for example evolve to better extract the oxygen from the atmosphere and be better resistant to heat.
Answer: I believe that the environmental pressures that exist now and that may be shaping the human species are the use of land, the extraction of resources, greenhouse emissions and water use. This are being used by use more and more as we start overpopulating the earth.
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