Need asap 20 pts!
explain why the practice described in the following scenario is not sustainable.
there has recently been high demand for wheat and wheat-based products in the united states. to cash in on this boom, a farmer devotes every field on his farm to growing wheat for four years in a row.

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal

Look at the electroscope, describe how you can cause the two leaves at the bottom to repel each other and stay that way