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Item 5

What have scientists determined the average salinity of ocean water to equal?

3.45 g/kg

34.5 g/mL

3.45 g/mL

34.5 g/kg

dna is a set of a gene held together by a chemical bond

answer;

-chlorine

explanation;

-toxic industrial chemicals are industrial chemicals that are manufactured, stored, transported, and used throughout the world. toxic industrial chemicals can be in the gas, liquid, or solid state.

-they can be chemical hazards (e.g., carcinogens, reproductive hazards, corrosives, or agents that affect the lungs or blood) or physical hazards (e.g., flammable, combustible, explosive, or reactive).