List three ways by which phosphates are transferred from the land to water. in your own words, explain how these might impact the environment and human health.

Phosphates generally come from fertilizer,  erosion of phosphate-containing rocks.   they are fertilizers, so they tend to strongly encourage growth, particularly of bacteria and algae. This can  harm ecologies, particularly in water, and particularly where there isn't a very robust growth medium already, e.g. in cold or desert waters.This impacts the environment and our health because we use tap water for cooking, bathing, brushing teeth, and etc. and these water by be contaminated because of all of this pollution going around