List four catastrophic events:

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.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated