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In the last 100 years, the level of co2 in the atmosphere has been significantly increased by man by: pesticides the burning of fossil fuels domestic heat incineration of waste products
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What type of chemical bond is formed between two atoms of bromine 1. metallic 2. hydrogen 3. ionic 4. covalent
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The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
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Chemical bonds result from the interaction of the from two or more atoms. a. protons b. electrons c. neutrons d. nuclei
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All chemicals, even safe chemicals, such as sodium chloride( table salt), are toxic if exposure is high enough. (true or false)
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In the last 100 years, the level of co2 in the atmosphere has been significantly increased by man by...
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