Which of the following is the correct definition of conduction? A. the transmission of heat across empty space

B. the transition of heat across matter

C. the transfer of heat by currents within a liquid or gas

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

When a septic tank backs up a goes in to clean it out