Answer: A
Explanation:
Because both introduce substance that harm organisms. All the other ones are wrong because<em> eutrophication</em> is a natural process that involes little to<em> no human interference . </em>
It's an example of an <span>element</span>
CENTRIOLES. Centrioles help align the chromosomes so they can be split.
<h2>Medicinal chemistry refers to a stimulating branch as it associates various scientific disciplines and permits for collaboration with other scientists.</h2><h2>in developing and researching novel drugs. The medicinal chemists utilize their chemistry training to the procedure of producing new pharmaceuticals. </h2><h2>the assignments of Dorothy is to formulate and develop new medicines, so that it can be later sold in the market. </h2>
Water molecules bond to each other in a covalent bond where they stay connected. They also have poles like a magnet, making it a polar molecule.
If water is no longer polar the surface tension would lower to the point where ice can no longer float, the water would freeze, cooling the climate considerably.
