Could earth's first atmosphere have supported the lives of humans and other living things of today?

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

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)