Explain why acid rain smog ocean acidification and global warming are indirect results of air population

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

Dna is colied into chromosomes in a cell

Modern whales developed their traits through natural selection what occurs during the process of natural selection