Why does it become difficult to read old fossils? a. older fossils are difficult to obtain because they’re extremely deep in the earth’s crust. b. older fossils are biologically less important than newer ones. c. older fossils provide less information about evolution. d. older fossils are only formed by sedimentation.

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)