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.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion