Decomposition is an important part of which nutrient cycle(s)? A. Carbon and water
B. Nitrogen and water
C. Phosphorus and nitrogen
D. Carbon, nitrogen, and phosphorus
E. Nitrogen, phosphorus, and water

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.

Can ground tissue do photosynthesis