260 million years ago there was a supercontinet called Pangaea
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.
Answer:
B
Explanation:
for example is the animal eat whatever they produce people wont be able to gather anything and the plants they gather may affect something else
Answer:
United states probably has more junk food
Explanation:
