The Ebola virus scare, the Zika virus infection, and foodborne illnesses associated with a restaurant chain are examples of challenges to epidemiology. Compare the similarities and differences among these events. State at least one general principle that you can distill from these episodes.

it would be 2 or b because the clouds are a form of condensation

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."

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.