Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
Answer:
Reflected Light
Rays of light reflect, or bounce off objects around us.
Any flowering plant of the class Dicotyledones having two embryonic seed leaves, flower parts in fours or fives, and net-veined leaves: includes most broad-leaved flowering trees and plants.
Short term memory is limited to remembering about seven items of unfimilar material
