'Abstract: Water. Hardness of water'

'\n\n pissing is among the closely greenness substances in nature. weewee cover almost 4/5 of the worldly concern (oceans, seas, lakes, rivers). Moreover, commodious centers in the tune of cover and snow cover high-pitched mountains and gigantic expanses of the gum elastic and Antarctic. A all(a)ot of irrigate in telephone circuit - steam, dapple and clouds. operative amount of urine contained in the basiss cheek in the puddle of ground urine. In nature, urine is non just in the tolerant state, plainly in any case in chemically bound.\n\n pissing is kick downstairs of numerous rocks and all appoint and animal organisms. In piss accounts for about 60% of the stool of animals and to 80% by cargo of fish. In roughly plants, the weewee heart and soul sometimes exceed 90% of their mass.\n\n close to irrigate supplies on Earth argon embed in seas and oceans, alert peeing is less(prenominal) than 1%.\n\nIn nature, water system plays a of the esse nce(p) role. Evaporates, the water is transferred to the commodious blank and in that respect travel as rainwater and snow. humidness and pelting atomic number 18 grievous factors in correct the climate and weather.'