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Q: Do sunscreen reduce the amount of uv radiation penetrated by the skin what is the test variable?
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Should you use sunscreen after 5 pm?

My daughter is a competitive swimmer and this time of year the team practices in an outdoor 50 m pool. Practice begins at 5:00 p.m. sharp. I told her recently to not bother using sunscreen at this time because the amount of UV radiation is relatively low. My gosh, I wonder how we ever made it through the years without a tube of sunscreen in our back pocket?


What is an independemt variable?

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What is a ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable?

rate of change. :)


What is a ratio that compares the amount of change in the dependent variable to the amount of change in the independent variable?

rate of change. :)


18) The amount of radiation that an individual absorbs depends on?

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