Surface currents and waves are powered by a) wind and heat. b) wind and tides. c) boats and wind. d) heat and weather.

Why are graphs useful when interpreting data

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units

What is the wavelength of an earthquake wave if it has a speed of 8 km/s and a frequency of 3 hz?