How did the movement of sunspots on the surface of the sun affect peoples' beliefs about astronomy at the time?

What percentage of light hits earth's surface directly?

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.