How does over-irrigation damaging to soil?
a. it reduces the amount of organic material in soil..
b. it results in the accumulation of salt near the soil surface..
c. it increases the acidity of soil..
d. it removes water from the water table.

How do oceanographers measure the salinity of ocean water?

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

Identify, in detail, three environmental effects of agriculture and explain how the actions of farmers cause them. what is the relationship between poverty and obesity in america and why? what are genetically modified organisms? list two pros and two cons for using genetically modified organisms. y'all this is due !