What is located about 10 to 50 kilometers above Earth's surface and blocks UV radiation, preventing much of the harmful radiation from reaching Earth?Multiple choice question.heavy metal particulatesacid depositionnurdlesozone layer

Which portion of our atmosphere blocks ultraviolet radiation best?Group of answer choicesthe ozone layerthe ionospherethe tropospherethe stratospherethe mesosphere

It is a type of UV rays that is  blocked by the ozone layer  at the stratosphere  and therefore does not reach the earth's surface, what is it?

Which of the following forms of radiation can be shielded by Earth’s atmosphere?Group of answer choicesRadio wavesVisible lightAll of the aboveGamma rays

Which form of UV light is least affected by ozone and the atmosphere, so it can mostly reach the surface?Group of answer choicesUVAUVBUVCUVD

Framed and mounted photographs have a protective layer. What does this layer protect against?Group of answer choiceswaterdustsunlighttransfer