The law of conservation of energy states that energy can neither be destroyed nor created. According to this law which of these equations is correct? A. E=mc²

B. KE = PE

C. Energy in = energy out

D. Energy in = power in

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.