Which book citations are formatted correctly? Check all that apply. Harwood, Ronald. Mandela. New York: New American Library, 1987. Print. Brookes, Edgar Harry. Apartheid. Barnes

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.