Answer:
Adding filter media, rocks, or substrate from an existing tank is one of the most effective things you can do to speed up the nitrogen cycle in your aquarium.
Explanation:
I think its false because the chemical unit that makes up chromosomes is DNA
and CVS is a procedure of small something
A forester is a Black Forest
D is the correct answer to this
Answer:
Trees share water and nutrients through the networks, and also use them to communicate. They send distress signals about drought and disease, for example, or insect attacks, and other trees alter their behavior when they receive these messages.