Which statement best describes scientific laws? A) Scientific laws are scientists' opinions of why events occur. B) Scientific laws are facts that describe observed reoccurring natural events. C)Scientific laws explain why natural events occur. D) Scientific laws were theories that have been proven to be true.

Option B and D seem to be correct

Explanation:

As a scientific law is a statement which is bases on repeated experimental observations that describes some aspects of nature and also  they are were theories that have been proven to be true as a theory become a law when the experiment agree with the theory and no contrary opinions so according to my studies , B and D options are seems to be correct.

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explanation:

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the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.