The graph below shows the average number of sunspots seen between 1610 and 2009. Based on the graph, which of these conclusions is most likely correct about the period between 1950 and 1980? (1 point)

A. It was a period of abnormally cold climate.

B. It was a period of abnormally hot climate.

C. All the rivers on Earth froze into ice.

D. All places on Earth experienced severe rainfall.

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

magnets not strong enough

explanation: