The problem of water pollution has not been solved because the water pollution already in the water is being brought back by the water cycle. Also people continue to dump waste in the water.
bum hole
Could the colonies labor problem have been solved without slavery?
There are various forms of pollution in Ireland. One of the main ones has been the pollution of water, which has been a regular problem, resulting in fish kills and making water unsafe to drink in some parts for short periods. This can come from effluent and other waste products getting into the water system. Low standards on some private water schemes have been problematical. Flooding can cause water pollution occasionally too.
It is the solution or sometimes solutions when an equation or a problem has been solved.
Tension
10000000000000000000000000000000000000000000000000000099 years
The flooding has all but been solved by dams, but there is a pollution and other problems. The links below addresses just one aspect of construction and a paper on pollution
Tension
Unfortunately, the problem is not 'solved', but has been slowed based on The Kimberly Process. You can read more about it, below.
because of earth pollution we now have to drink bad water that have been filtered.
The obvious answer is that the problem wasn't solved. You'll have to get under your car and look for the leak.
Yes. All seven have now been accounted for.