What is the freezing point in degrees Fahrenheit? What is it in Celsius?

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

What material did the moon come from?

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.