Nitrogen is present in the environment in chemical forms like a Organic nitrogen-containing compounds
b Ammonium ions
C Nitrate
d All of the above

What are two ways in which waves erode the land?

Why do carbohydrate molecules function so well as fuel for the body?

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