D. All of the above are correct
Answer:
The correct answer is "The emergence of a larger middle class in the North".
Explanation:
The missing options of this question are:
A) The emergence of a larger middle class in the North
B) A decline in economic inequality in urban areas
C) An increased demand for agricultural workers in the Midwest
D) The improvement of working conditions in factories
The correct answer is "The emergence of a larger middle class in the North"
The period of 1800 to 1848 is characterized by being of economical growth due to the rise in manufacturing technology. Result of this economical growth, many families improve their economical conditions and by 1848 a larger middle class emerged in the North. However, eventually a laboring poor population started to growth as well.
Answer:
False
Explanation:
Genetic variation is the difference in the sequence of DNA in the individuals of a population and a heterozygote has more genetic variation that homozygote person because heterozygote has two different alleles of a gene while homozygous individual have two same alleles.
Heterozygotes have advantage over homozygotes because it protects the individual from many genetical diseases and increase the genetic variation by increasing the gene pool in the population. So higher fitness results in more genetic variation in the population therefore the statement is false.
Answer:
Unfortunately, you can rarely identify a mineral only by its color. Sometimes, different minerals are the same color. For example, you might find a mineral that is a gold color, and so think it is gold. But it might actually be pyrite, or “fool's gold,” which is made of iron and sulfide.
Explanation:
29.7%, which can be rounded to 30%