Across
- 4. light the only light on the spectrum where human eye can see
- 5. effect natural process where heat gets tapped in earth's atmosphere
- 6. radaiation energy generated from the sun to the earth
Down
- 1. the global sum of all ecosystems
- 2. layer absorbs most of the sun's harmful radiation before it can reach life in earth
- 3. the measure of the fraction of sunlight diffusely reflected by a surface or body