Which phrase best completes the following analogy?

Plan 1 (name) plan 2 (name) monthly premium yearly deductible number of doctor visits copay for doctor visit

Suppose you calculate that elasticity of demand for cigarettes is 0.5. you can conclude that: a. demand for cigarettes is elastic b. demand for cigarettes is unitary elastic c. a 1% increase in price of cigarettes will result in a 0.5% decrease in quantity demanded d. a 1% increase in the price of cigarettes will result in a 0.5% increase in quantity demanded.

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?