Will give brainliest

which of the following statements are true ?
sound travels 4 times faster through water than through air

there is no sound in space

geologists use their knowledge of how sounds travels through rocks to find oil fields

all of the above

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

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)

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change