1. How many cells have been killed by the virus in the image below?
A. 7
B. 13
C. 20
D. 29

Why do you think water is so important to living things

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?