Suppose during volleyball practice, you lost 2. 0 lbs or 909g of water due to sweating. If all of this water evaporated, how much energy did the water absorb from your body? express your answer in j.

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?