Which of these is a type of nonpoint source pollution that might occur on a farm ? a. excess salt deposited in the soil when irrigation water evaporates b. oil dropping from the pump for a water well c. old bags of nitrogen fertilizer left in a leaky barn d. excess pesticide deposited in a dump after a treatment

A Excess salt deposited in the soil when irrigation water evaporates is correct (apex)

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.