Can anyone answer this A levels chemistry question? The answer A, I just need the explanation.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false