Which of the following statements is true? Lithification is the process of rock formation. Mummified fossils are commonly found in cold climates. Sedimentary rocks form beneath the surface of the earth. Igneous rocks are classified by particle size.

A.) Lithification is the process of rock formation

Explanation:

Rember the root "Lith" is a Greek root that means rock. "Lithos"

Hence, Lithification is the process of rock formation.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.