At last, it's time to go diving! you load your stuff into the boat and head to an offshore dive site.
a. what type of device does the boat use to move? describe this in terms of the laws of thermodynamics. you might want to draw a diagram of how this device operates.

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?

Acid rain is caused by human activity. select the best answer from the choices provided t f