Scientists have observed that the average sunspots have increased in the last 50 years. which of these statements best describes an effect of
this increase in sunspots?
a earth's temperature has become cooler.
b earth's temperature has not changed over time.
c earth's temperature has become warmer
d earth's temperature has reduced by fifty times.

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?

What are the dimensions of the cross section that passes through the points a, f, g, and d?