What can penetrate paper, your skin, and a thin layer of lead. Only very thick layers of a sturdy substance can stop it. *

1) this is the structure in the cell nucleus that houses a cell's genetic information

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)