Hello.
The answer is D<span>enitrification.
</span>Denitrification is <span>nitrogen or nitrogen compounds added or taken away.
It helps becasue there is e</span>xcess nitrate and puts nitrogen in the everment.
Denitrification also helps the ground water.
Have a nice day
Answer:
endosymbiosis.
Explanation:
By the beginning of the 20th century, researchers thought that plastids and mitochondria could come from bacteria. These would have been ingested by primitive cells and live within them in symbiosis.
Answer:
Electrophoresis is a laboratory technique used to separate DNA, RNA, or protein molecules based on their size and electrical charge. An electric current is used to move molecules to be separated through a gel. ... The conditions used during electrophoresis can be adjusted to separate molecules in a desired size range.