Ethylene dichloride is an effective cooling agent when allowed to evaporate. The heat of vaporization is 85.3 calories per gram. How much heat could be removed from the skin if 2.70 grams of ethylene dichloride were sprayed on and allowed to evaporate

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.