Answer:
The Cotton Gin
Explanation:
The cotton gin: A game-changing social and economic invention. On this day in 1793, young inventor Eli Whitney had his U.S. patent for the cotton gin approved, an invention that would definitely have an impact on social and economic conditions that led to the Civil War.
Answer:
<h3>The answer is 0.73 g/mL</h3>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 620 g
volume = 850 mL
We have

We have the final answer as
<h3>0.73 g/mL</h3>
Hope this helps you
The answer I believe would be D) All of these
Answer:
um
Explanation:
help you? you mean do it for you? nah man you can just use the calculator ;)
Answer:
it should be B. earths core is composed of iron and nickel, if not let me know.