Which digestive process is described by nutrient molecules passing across the mucosal layer of the gastrointestinal tract into the blood or lymph

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america