Electrons man. I think. Nah, I pretty sure....
<span>One test might be the acid content of the water. Water that does not have a neutral pH might be less conducive to life. Another water quality test might be oxygen levels in the water. Inadequate oxygen levels may also reduce the amount of aquatic life. The presence of pollutants might be a third test. Chemicals that poison the water would negatively impact the number and variety of organisms present.</span>
Answer:
Red blood cells makes up your body
The root contains hormones that make it grow away from the sun
