Соотнести слова и предложения.
Слова: pH, absorption, purification, desalination, distillation, aeration, disinfection, filtration, chlorination, sedimentation.
Предложения:
a) The process of passing liquid through a special device, especially to remove sth. that is not wanted.
b) The process of making a liquid pure by heating it until it becomes a gas, then cooling it and collecting the drops of liquid that form.
c) The process of removing salt from sea water.
d) The process of putting a poisonous greenish gas with a strong smell into water to keep it clean.
e) The process of depositing the solid material that settles at the bottom of a liquid.
f) The process of using a substance that kills bacteria.
g) The process of a liquid, gas or other substance being taken in.
h) The process of adding a gas, especially carbon dioxide, to a liquid under pressure.
i) Parameter describing the acid-base properties of a solution.
j) The process of making sth. clean by removing substances that are dirty, harmful or not wanted.
it's not too late to solve these problems. We have the time, the money and even the technology to make our planet a better, cleaner and safer place. We can plant trees and create parks for endangered species. We can recycle litter. We can support green parties and put pressure on those in power. Together we can save the planet and all of us with it.