A 50g block of aluminum at -100degree c is submerged in 30g of water at 20 degree c. C water=4.184 j/g cC Al= 0.89 j/g ch fus water= 334 j/gWhat is the final temperature of both substances?

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

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.

How much carbon is stored in the atmosphere as co2