Molecules that have the same chemical formula but have different molecular structures are: Isomers.
It’s actually bacterial DNA
Observation the action or process of observing something or someone carefully or in order to gain information:
Many scientists are concerned that the Ogallala aquifer in the United States is being depleted at an alarming rate. The statement that is correct and would state the most likely be a major effect of this aquifer running dry is choice A. It states that many crops would die because irrigation water would be limited.