a chemical with a pH value of less than 7

A chemical with a pH value of more than 7

rain of snow containing acid compounds from the air

When you add water to an acid, the pH...

any material, or form of energy, that will cause harm to a living organism

an alteration of the environment producing a condition harmful to living things

Which of these is not an organic nutrient?

Which is not a type of pesticide?

A herbicide is used to kill...

DDT is a

The process whereby chemicals accumulate in the tissues of organisms along the food chain

Lemon juice would have a pH of...

Drain cleaner would have a pH of...

the combining of an acid and a base to produce salt and water

the ability of a chemical to cause harm to an organism with only one exposure

the ability of a chemical to cause harm to an organism only after the chemical accumulates to a specific level after many exposures.

the dose of a chemical that will kill 50% of the population to which it is applied

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