Process of changing free nitrogen so that nitrogen atoms can combine with other elements that organisms can use
Any change in the environment that produces a condition harmful to living things
A substance that enriches the soil to improve plant growth
Chemicals used to kill pests (harmful organisms)
Waste water that contains dissolved and undissolved materials from you kitchen, bathroom and laundry
treated waste water
natural gas that contains hydrogen sulfide, a poisonous chemical
coal, oil and natural gas that is formed from dead plants and animals
A compound that forms a solution with a pH lower than 7
A compound that forms a solution with a pH higher than 7
A number that indicates how acidic or basic a solution is. Between 0-14.
A solution that has a pH of 7. It is not an acid or base.
A react between an acid and a base to produce water and a solid compound called a salt.
A compound produced in a neutralization reaction between an acid and a base.