A wave has a wavelength of 1.5 m and a frequency of 6.0 Hz. What is the speed of the wave?
A. 9.0 m/s
B. 0.3 m/s
C. 7.5 m/s
D. 4.0 m/s

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato