Which of the following best describes the use of a renewable resource?
a.)most power plants burn fossil fuels to generate electricity for use in homes, offices, and other buildings.
b.)propane is a product you might use to barbeque; it comes from natural gas and processing oil.
c.)there are areas in california that use the heat from deep in the earth to generate electricity.
d.)we use gasoline to power our cars to get to work and school each day.

Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c.what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?