Which metamorphic rock has a nonfoliated texture? gneiss slate schist quartzite

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation