Is coal a renewable resource

What is an ore? A. an object that has been recycled B. an article of clothing that is made from natural fiber C. a rock that contains enough of a metal to be worthwhile to extract D. a fossil fuel that can be burned to generate electricity

In the process of electrolysis, current can flow through a liquid because A. water molecules become negatively charged. B. hydrogen is electrically neutralized in the solution. C. negative ions are attracted to the anode. D.

The halogens are a highly reactive group of nonmetal elements that include fluorine, chlorine, and helium. True False

Why doesn't the stomach acid just digest right through the wall of the stomach? Select one: a. Neutralizers are imbedded in the stomach lining. b. The lining of the stomach is protected by mucus. c.

The two isotopes of chlorine are 35/17 cl and 37/17cl. which isotope is the most abundant

State one major difference between having a nitrogen atom in a ring structure and having an oxygen atom in that structure

Can dowels be chopsticks, since both of them are wood?

Which electron configuration represents the electrons in an atom of Ga in an excited state?

Why are there so many volcanoes in and around japan

A liquid fuel mixture contains 30.35% hexane (c6h14), 15.85% heptane (c7h16), and the rest octane (c8h18). what maximum mass of carbon dioxide is produced