Acid rain contributes to soil erosion. Acid rain can be caused by A. chemicals released into the air by motor vehicles B. drought C. sudden cloud formation D. over fertilization of farmlands Save

What was the primary reason why Thomas Edison preferred direct current to alternating current? А. He thought alternating current wouldn't work B He'd make more money from direct current electrical systems He thought alternating current systems would

A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. She hears the echo 2.0 after shouting. Estimate the length of the lake in meters

Which of these waves require a medium to travel through? Light wave Microwave Electromagnetic wave Sound wave

What would be the horizontal component of a vector of magnitude 25 inclined at an angle of 30° from horizontal? 0 12.5 21.65 30

What is the term used to label the energy levels of electrons?

Use your knowledge of the state of matter and the other physical properties of matter to write an explanation for what may have caused the following situation: Although it hasn't rained in a week, every morning the grass and the car windows are wet.

What is three example of technology

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?