Using the picture below, what are the relative ages of the fossils?

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.

Each hereditary trait corresponds to

What is the process of pulling apart an n2 molecule nevermind i got it