A magma's viscosity is directly related to its
SILICA CONTENT
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-a representative democracy. It is a government by the people, because the president and members of Congress are elected.
M- is a federal republic. It is a federation of states.
C - runs a government that is a democracy with a prime minister. Also known as parliamentary democracy.
G - is an independent nation ran by a prime minister.
Answer:
Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in cities. The history of agriculture began thousands of years ago. ... Pigs, sheep and cattle were domesticated over 10,000 years ago.
Explanation:
