Answer:
Green Revolution is great increase in production of food grains,by using insecticide and pesticide
.problems are associated with it:
- Loss of soil fertility, erosion of soil,
- soil toxicity,
- rare water resources,
- pollution of underground water,
The answer is, C. nitrogen and oxygen. 78℅ of nitrogen and about 21℅ of oxygen domain most of the dry air.
Answer:
water feature ocean and river
tropical
location above Panama below USA
ocean freshwater river
Garbage dumped in sinkholes can pollute the groundwater supply
D Easy I think because all the others are posotive