New crust is formed when magma from the mantle pushes up through gaps in the Earth, usually at volcanoes or divergent plate boundaries. TRUE OR FALSE PLZ HELP MEEE

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer