In what ways have levees evolved over time? how have humans contributed to this change? p

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.

Match the description of each organism to the appropriate category

Creating new things to solve problems and improve life depends on the close interaction of which two fields?