Remembering that cells in the epidermis get all their nutrients via diffusion from the blood vessels in the dermis, why would it be uselful for the connection between the two layers to have more surface area? (written response)

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

How many distinct monochlorinated products, including stereoisomers, can result when the alkane below is heated in the presence of cl2? 3 4 5 6 7?