Which alternative energy source is exhaustible? . a) geothermal energy. b) tidal energy. c) solar energy. d) wind energy.

Alternative energy sources include Hydroelectric Energy, Solar Energy, Wind Energy, Biomass Energy, Geothermal Energy and Tidal Power.

Exhaustible energy sources include all kinds of nonrenewable types of energy generation, such as coal, oil, nuclear or natural gas

The alternative energy source is exhaustible is geothermal energy.  Correct A All other options are renewables types of energy sources.

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.

separation of church and state? not sure what you mean.