Sentences with phrase «about stagnant water»

Not exact matches

They didn't know about germs, so storing water was an issue, since stagnant water grow germs, insects etc..

Although atmospheric oxygen soon recovered again as photosynthesis and weathering reached a new balance, at about 10 per cent of present - day levels, the oxidative weathering of sulphides on land filled the oceans with sulphate which created abundant food for a group of bacteria that filled the oceans with sewer gas (hydrogen sulphide) toxic to oxygen - loving lifeforms (delaying the development of eukaryotic plants and animals) and turned them «into stinking, stagnant waters almost entirely devoid of oxygen.»

Labrador owner You're extremely relaxed about the housekeeping — in fact, you can't remember the last time you dusted off the hoover — and aren't the least bit bothered about a spot of mud, a splash of stagnant river water or a few grubby paw prints.