Why is a pinhead sometimes used as an analogy for the early universe? a) matter was destroyed during the big bang. b) at time zero all matter was metallic. c) at time zero all matter was contained in a very small volume. d) matter was rapidly dispersed by the big bang.

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

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)