Answer:
2. An age of 4.55 ± 0.07 billion years, very close to today's accepted age, was determined by Clair Cameron Patterson using uranium-lead isotope dating (specifically lead-lead dating) on several meteorites including the Canyon Diablo meteorite and published in 1956.
3. The pressure from the upper layers of sediment pushes down on the lower layers of sediment causing the sediments to stick together and form solid rock. 18) cementation sedimentary rock forming process in which sediment grains are held together by natural cements that are produced when water moves through rock and soil.
4. Lava kicked in.
Explanation:
