You use me everyday but let me rest at night. I have an identical twin beside me all the time. For some reason you always cover me up. I am not alive but I have a soul. What am I?

Which of the following represents the equation of motion of a steel ball thrown into a viscous liquid when it is moving with an acceleration a? (A) W-V-U=ma (B) W-U=ma-V (C) W-U-V=0 (D) U-V=W

Which organelles is used to transport materials through the cell

What is the impulse when a. 200kg ball is struck with a force of 100N for. 1 seconds

What forms when air masses with different temperatures meet? a. storms. b. thunder. c. fronts. d. currents

What happens if you take condensation out the water cycle?

Why can you not measure the volume of water in the measuring cylinder accurately unless you look straight at the scale?

How can biologic weathering result in chemical weathering? A. Bacteria release acids and other agents that break down rock B. Large herds temple rocks and break up soil C. Root loosen soil and break rock

Volcanic eruption affects water drainage but what may that result in

The probability that a battery will last 10 hr or more is 0.8, and the probability that it will last 15 hr or more is 0.11. Given that a battery has lasted 10 hr, find the probability that it will last 15 hr or more

What is the sum of 9260 and 3240? Express your answer numerically to at least three significant figures.