What is the answer to "A plane is basically a 2D surface. Think of a piece of paper with a happy face drawn on it. You can pick that paper up, face it in whatever direction you want, but unless you fold or roll the paper, the image is flat."

6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.

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

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap