Plant growers sometimes sterilize their potting soil by heating it to high temperatures to kill pathogens that might be in the soil. how might heat sterilization of the soil affect the amount of nitrate available to tomato plants grown in that soil?

The correct answer would be that the plants would have fewer nitrates accessible as the nitrate-generating bacteria would have also got killed.

Explanation:

Prior to the discovery of the Haber process, the prime procedure of extracting nitrogen from the air and getting it into the soil so that the plants could utilize it was by the procedure of nitrogen fixation done by the bacteria in the soil. Due to heat sterilization, the nitrogen fixation bacteria present in the soil would have got killed resulting in less availability of nitrates in the soil.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.