Which of the following statements is true?
a. there is less water on earth now than there was millions of years ago.
b. there is less water on earth now than there was millions of years ago.
c. there is no way to tell how much water was on earth millions of years ago.
d. there is the same amount of water on earth now than there was millions of years ago.

What are two ways in which waves erode the land?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

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)