The first direct evidence of primitive cellular life was the 1977 discovery of <u>microbial </u>fossils in the swartkoppie chert, a type of granular sedimentary rock rich in silica.
Some of Earth's high-quality-preserved fossil microorganisms occur in rocks from the Ediacaran period of geologic time, which runs from about 635 to 541 million years ago. Scientists do not absolutely apprehend how this fragile microorganism became fossils. however, a new experimental look at is now dropping more mild.
Some microorganisms secrete iron-coated sheaths that on occasion fossilize. Others may additionally bore into shells or rocks and shape microscopic canals in the shell; such microorganisms are referred to as endolithic, and their borings can be identified at some point of the Phanerozoic.
The earliest regarded fossils on the planet are putative fossilized microorganisms determined in hydrothermal vent precipitates, taken into consideration to be about three.42 billion years old.
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Answer:
B
Explanation:
I know because I'm smart like that lol
Answer:
Being a US citizen means, you have the right to live and work in the United States and recieve federal assistance
Answer: True
Explanation:
Before 1994, the whites of South Africa enjoyed a lot of privileges and the blacks of South Africa were actively discriminated against. When came the time to draw up a new Constitution, the whites would have wanted to protect these privileges as much as possible and the blacks would have wanted to take back those same privileges.
Drawing up a Constitution that would accommodate both views must have been quite difficult because they oppose each other and needed a compromise. Essentially, there was a need to draw a Constitution that would not enrage either race such that open hostility erupted between either of them so this was also a matter of preserving the peace.
1) The Battle of Midway
2) Stalingrad
3) D-Day
4) The Holocaust- Biggest of them all!!!
