Politics (from Greek: πολιτικά, translit. Politiká, meaning "affairs of the cities") is the process of making decisions that apply to members of a group.
A weapon that comes down as still As snowflakes fall upon the sod; But executes a freeman's will, As lightning does the will of God; And from its force, nor doors nor locks Can shield you; 'tis the ballot-box.
In the marine environment human activities and other factors can result in algal blooms and habitat destruction, which may affect people's health and local communities. A common method for assessing the status of water quality is by measuring its optical properties to determine sewage impact, dissolved organic matter, sediment loads or biological activity.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
