What processes formed Earth and its layers ? In what ways could astronomers apply what we know about Earth's formation to that of other planets and the universe?

Explain why phospholipid molecules form a bilayer. (3 marks)

What did hunter gathers do to alter the environment?

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)