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Chemistry_Grade_8/9

I have a test to do in Science so we have to

QuestionAnswer
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
Created by: ghvuvckgu
Popular Chemistry sets

 

 



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