Which example describes a nonrenewable resource? (2 points) a. our town uses electricity generated from a hydroelectric dam. b. miners dig up coal from deep in the earth to be used to create electricity. c. solar panels generate electricity to run a street sign. d. wind turbines are used to generate electricity for our farm.

The answer is B because A,C, and D are all renewable resources and B is not

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

specific latent heat of fusion, lf, of a substance is defined as the amount of heat required to change a unit mass of the substance from solid to liquid state, without any change in the temperature.

explanation: