Acup of hot water cannot melt a large block of ice. however, the same block melts when dropped into a lake. this is because

You're extremely lucky that i used common sense to deduce the answer from the kind gentleman (or women) above, or below. Its

D) Lake contains more mass and more heat than said cup.

Next time, put the choices too. We're not Houdini and can magically know the answers.

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.