What can RNA do that DNA cannot that makes RNA a good starting point for life?

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

Adoctor is trying to diagnose a patient with dry skin. which of the following resources would be the most ? a magazine ad about soft skin a growth chart online articles about dry skin medical books