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Chemistry_Grade_8/9
I have a test to do in Science so we have to
Question | Answer |
---|---|
Ozone Layer | Layer of ozone (O3) in the atmoshpere 15 to 50 km above the earth surface; Protects earth`s surface from the sun`s ultra-voilet radiation. |
Monitoring | Keeping teack of something for a specific porpose. |
Invertabrates | Animals without backbones. |
Parts Per Million | Measurement used to describe very small concentrations of a chemical. |
Spring Acid Shock | Concentraition of acid |
Toxic | |
Toxicity | |
Toxins | |
LD50 | |
Heavy Metals | |