Causes of ocean currents around the world. Refer also to the specific heat capacity of the substances involved. Please help me asap.

Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.