Which statement best compares coal and ores?
O
Both are burned for energy.
Both take millions of years to form.
Both require oxygen to form.
Both are used to make coins.

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final