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Some of the pesticides sprayed on farm crops wash off in the rain and get into the waterways. The water plants absorb the pesticides.
Rainwater dissolving pesticides when running off farm-land is the main cause.
Panama Canal
Riparian planting is re establishing vegetation in the riparian area bordering waterways. This helps reduce erosion and the run off of pollutants in the waterways.
Farmers and gardeners spray pesticides on various plants, and when it rains, some of the pesticide washes off and is carried away by any run-off, which eventually drains into streams and rivers.
you could get really sick.
Tweezers.Pesticides were invented for a reason.
Pesticides run off from farm fields.
Primary brochi first enter the lungs on both the left and right sides.
Many different types of situations could have run-offs of pesticides. Most of these are found on farms when they are sprayed to reduce the amounts of insects in the soil.
Rain water washes it off whatever people put it on and gravity leads it to water.
No. The only warning there should be is to earn you to wash the pesticides off of them before you eat them, but it's not there.