The differences from a animal cell and a plant cell

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

What is the process of pulling apart an n2 molecule nevermind i got it

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