Answer : The remains of dead plants and animals settle to the bottom of an ocean or lake and are covered by mud. Pressure eventually forms these layers into rock.
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Why? : Basically sedimentary rocks are formed in low temperature, the pressure is low so the remains of any dead plants don't burn or get destroyed.
Igneous rocks form from molten rock and don't really get much fossils in them,
Metamorphic rocks has been under great pressure which fossils would not be able to survive in.
Answer:
I think "The state’s economy suffered during the war."
Explanation:
Answer:
a.
Explanation:
The first drawback is basically money. It takes loads of money to lead researches, because you either have to pay a lot of people to collect these data or do it yourself and take years to find a numerous group to provide a good amount for a trustworthy, important research.
Answer:
1. This timeline covers about 6,000 years
2. About 3,000 years
3. The Neolithic Revolution
4. The plow was invented around 4,000 B.C.
5. Put an X on "Cattle were domesticated between 10,000 and 7,000 B.C., and "Before 9,000 B.C., people did not grow their own food
Explanation:
