Colors of light that combine to produce white light
a) additive colors
b) subtractive colors
c) pigments
d) linearly polarized light

PLEASE DONT GUESS

This is the substance(s) formed in a chemical reaction.

Where do magnetic lines of force enter earth?

Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly