Medical test choose the correct answer

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.

9. wind power creates pollution. water air soil noise

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an