Responding to the environment is a characteristic of life best shown by which example? a. a human shivers on a cold day
b. a horse trots in a field
c. a dog swims in a pond
d. a cat licks its paws

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