A laboratory animal exercises on a treadmill, which through pulleys, raises a mass of 200 g through 1.55 m of height. At the same time, the animal lost 5.0 J of energy as heat. Disregarding all other losses and regarding the animal as a closed system, what is its change in internal energy?

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.