Which of the following illustrates mechanical weathering 1 carbonic acid wearhers marble and limestone 2 as plants grow they produce weak acids that slowly dissolve rock 3 ocidation causes weathering in rock 4 reapeated freezing and thawing in rocks causes weathering

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.