i think the answer is 3 4 5
Hey mate, here is your answer
Three ways by which nitrates are transferred from the land to water are :-
Δ The roots of the legumes undergoes symbiotic association for the intake of nitrogen. They form nitrates. So these plants help in transferring solid nitrate to water nitrate
Δ Animal wastes has nitrates. So these nitrates along with rain water can go to rivers
Δ The lightening strikes contain nitrogen which is converted by plants during nitrogen cycle into nitrates which then eventually goes into water
EFFECT ON HUMAN HEALTH
The nitrates are good when eaten. They help in proper functioning of body parts. But its also harmful if its contain is too much. Nitrate and Methemoglobinemia. Methemoglobinemia, or blue-baby syndrome, is a condition caused by the inability of the blood to deliver enough oxygen to the body. It is the most well-known effect of exposure to elevated levels of nitrate in drinking water.
EFFECT ON ENVIRONMENT
Nitrate in water is too dangerous for animals in aquatic. They can die if they start consuming nitrates
Answer:weakens the immune system
Explanation:
