Hello Pgoodrichstat!
The process that helps gas exchange occur is called diffusion.
Cheers!
-Blizzard
Answer:
Implantation is the mechanism by which a blastocyst, which is passing through the uterus as a developing embryo, makes contact with the uterine wall and remains bound to it before birth. The uterine lining (endometrium) undergoes several internal modifications in order to allow for the emerging blastocyst to bind to it.
Explanation:
- Eijiro <3
I believe the answer will be D.
Adding those organic materials back into the soil helps it become rich in nutrients that have been used in order to grow the plants to begin with.
I hope I was able to help. Best of luck!
Mixing chemicals that you are not familiar with an horseplay