Answer:
its 30 N
since it didn't change it stays the same 30N.
Lymphoid organs in the immune system, includes the bone marrow
Nitrogen fixation, N2 --> NH3+, is not something that plants to by themselves but some plants have bacteria that does this. I believe that pea plants have these, but I'm not 100% sure.
Answer:
B
Explanation:
An undifferentiated cell is such as that in a blastocyte. They are multipotent and can differentiate into any type of cells. The cells of the mass begin to have their gene differentially expressed (due to differential silencing of particular genes) hence the cell become determined. They become well organized into tissue such as skin and other organs.
Stress<span>A nonspecific response of the body to any demand put upon it that can be both physical and mental</span>