The diagram shows the major organs in the urinary system. Which of these correctly pairs the letter and name of the organ that is responsible for filtering wastes from the blood before it returns to the heart.

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

Aplane travels 1000 miles in 5 hours .what is the planes average speed?