Which statements describe surface waves? Select three options.
They arrive before S waves.
They travel slower than P waves.
They result in much ground motion.
They are produced by P and S waves.
They travel deep below Earth's surface.

Me answer as many as you can what percentage more of water is used to provide us with electricity versus for irrigation? do we use more freshwater in our homes or to provide us with electricity?

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic