Locks. The Panama Canal uses locks that raise the boats up similar to a staircase or elevator, but with water.
Answer:
The Great Plains is the most productive dryland wheat area in the world, and pivotal to world grain supplies (Riebsame 1990). Great Plains production accounts for 51% of the nation's wheat, 40% of its sorghum, 36% of its barley, 22% of its cotton, 14% of its oats, and 13% of its corn.
Explanation:
Answer:
A. Independent Variable (IV): description / picture of girls
B. Levels of the IV: two levels
C. Dependent Variable (DV): attractiveness
Explanation:
The above experiment presents two levels of independent variable.
In summary, we can say that these levels are related to the number of experimental conditions that the independent variable can cause. As shown in the question above, the independent variable is the girl's photo and description. The conditions that this variable can cause is to stimulate attractiveness, or to discourage the throughness of those who observe it, that is, there are two conditions, so there are two levels of independent variable.
He was black and more open about things and what we should fight for
Answer: Social customs differ from one community or region to another because it is q method of discrimination against girls as well as people of different colours and religion.