They should study about how volcanoes erupt or explodes
Uniformitarianism
fossils
radioactive decay
48 million
after
The youngest age of the shale is 910 ka. According to the principle of inclusions, the shale formed before the tephra, so the tephra must be younger than 910 ka.
U want to know the answer for tomorrow's SS periodic?
Answer:
Z. CHICKEN Po0 INCORPRATDE.
