Gross primary productivity (GPP) is the rate at which . A: producers use stored chemical energy through cellular respiration

B: consumers convert and store chemical energy obtained from producers

C: consumers use stored chemical energy to fuel life processes

D: producers make chemical energy potentially available to consumers

E: producers convert radiant energy into chemical energy

In general, how long does it take to accomplish a long-term goal? a.a few days to a weekb.a few weeks to a monthc.a few months to a yeard. more than a year

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

Can yall plz me on this question im having a hard time think about it