to fence cattle out of streamsto preventanimal waste from polluting water
these facilities(passive) created byanimal waste
is covered with a cement casingpreventinganimal waste from contaminating the water
many of the same diseases as human wastecan causemany of the same diseases as human waste
to dangerous levels of faecal coliform and E. coli bacteriacan leadto dangerous levels of faecal coliform and E. coli bacteria
the contamination(passive) was caused bythe contamination
A common warning from the state(passive) is caused byA common warning from the state
high ammonia levels that pose immediate threats to both animal and human life and healthcausinghigh ammonia levels that pose immediate threats to both animal and human life and health
to the spread of diseases such as diarrhoea , dysentery and typhoidcan leadto the spread of diseases such as diarrhoea , dysentery and typhoid
The organisms(passive) are typically caused byThe organisms
people from enjoying the outdoorspreventpeople from enjoying the outdoors