Avanti works in a bookstore. She has four books and is going to place them in two stacks. Speak Fast !!!The diagram above shows the books before they touch. Use the information in the diagram to answer the question.

How did the temperatures of the four books compare before they touched? How will the temperatures of the two top books compare after the books have been touching for a while, and why?

The identities of substances are the same before and after which type of change

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next

Why is the bottom layer of a trophic pyrimid the