Europe was a major source of migrants because of the diminishing returns for the middle class in the mainland.
Explanation:
Europe had been colonizing new lands throughout the century and the condition at the home had been worsening for the middle class who sometimes found it better off to either move to a colony or to switch to another nation.
Thus, mass migrations happened especially towards the New World.
This was also the time of migrations to Australia New Zealand and other nations that were settled by Europeans who were in search of a better life.
Answer:
Slums are vulnerable to crimes and violence because they try to earn through those means for their betterment of life. If they have been treated well,such crimes and problems can be avoided.
Explanation:
Answer:
A. polygenic inheritance
Explanation:
The type of non-Mendelian inheritance exemplified in human eye color is polygenic inheritance. In polygenic inheritance, a single trait is determined by the additive effect of more than one gene. Several gene combine together to determine a trait. Such traits are not definite, they are usually within a range spectrum, examples are height, hair color and eye color. Eye color is reported by researchers to be controlled by up to 10 genes
On the contrary monogenic inheritance are responsible for traits which are controlled by a single gene such as the ability to roll the tongue
