Phosphorus is difficult for plants and animals to access in nature because A) it’s is typical bounds as phosphate.

B) it reacts quickly with other elements, like nitrogen

C) most phosphorus in the environment is stored in reservoirs

D) most phosphorus in the environment is bound to carbon, nitrogen and hydrogen

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d