Which technique can be used to find the height of a bank robber?

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.

The body is protected against harmful flu viruses by

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian