While studying gravity and acceleration, students record in their lab journal that they believe two objects of different masses dropped from the same height will hit the ground at the same time. the students have formulated a(n) a. valid conclusion. b. factual statement. c. testable hypothesis. d. investigative procedure.

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.