Social contract.
social contract is like citizens gave up some freedom for the US government to protect their natural rights (life liberty & property)
Life was first appeared on land in the crozoan era 2.5 million years ago
but the first breathing life forms were here at the Paleozoic era 251 million years ago
Answer:
Since 1492, as Christopher Columbus discovered it after he sailed to America and found cotton in the Bahama Islands, and by 1500, It was an everyday use.
Explanation:
Answer:
Place the graduated cylinder on a flat surface and view the height of the liquid in the cylinder with your eyes directly level with the liquid. The liquid will tend to curve downward. This curve is called the meniscus. Always read the measurement at the bottom of the meniscus.