The nitrogen cycle could no exist without bactria. bacteria that lived inside the ground, catch the nitrogen that has been fixed and covert it into nitrate.
I'd say to help the reader quickly locate geographic regions.
Answer:
1) mutations 2) sickle cell anemia. Hope this helps you :)
Explanation:
There are quite a few ways that seeds can be dispersed. A few examples could be by wind (like dandelions), water (like water lilies or coconuts), or animals (through friut eaten by birds or other animals).
Answer: False. HIV cannot reproduce on its own.
