How does one determine a country's natural increase? A. Multiply the birthrate by the death rate. B. Subtract the death rate from the birthrate. C. Add the birthrate and the death rate. D. Divide the birthrate by the death rate.

B. Subtract the death rate from the birthrate

Explanation:

I saw this in an article! The answer is B.

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.