Alex is giving a presentation to his class about the polar climate region. Before he presents, he writes down his main ideas on a notecard. Help Alex complete is noticed by selecting the correct information. Pls help me

The three types is stress that act on earths rocks are compression, tension, and

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

I’m an electrically neutral atomic any element, there are equal numbers of