Answer: C. aspirin; headaches
Explanation:
The variables in an experiment are either dependent or independent. An independent variable is the change that is introduced to test the hypothesis. A dependent variable on the other hand is the one being monitored or measured due to the introduction of other variables.
Here Headaches are the dependent variables as the experiment is to monitor whether the introduction of aspirin, the independent variable, takes headaches away.
Answer:
According to Darwin and William James
Explanation:
Darwin and William James has suggested that the face of a person is not only a billboard that displays their feelings but it also feeds their feelings. This means that if a person is feeling down and is stressed or sad and decides to smile and meet someone with a smile than it is likely that the person will also start to feel happier. This is what the theorists have meant by feeding the feelings that when a person smiles they feel happier even if they were not happy before. Although, other researchers have presented different point-of-views in this regard as well and this topic is still being researched.
Fasting, because it is hard for the muslims to go through the pain, to see what it is like for the homeless. It basically teaches them that they should be thankful for the things they have, and be able to get what they need in life.
Many of Egyptian innovations are still in use today like calender's forms of Geometric principles.
Explanation:
Egyptians were one of the oldest and one of the most advanced civilizations of its time.
It had been able to make advances in calendar and geometry as well as astronomy.
Its greatest asset and one that led the country in to a good civilizing process was their insistence on a system of irrigation.
Their irrigation techniques produced surplus food that was able to become the controlling power for a lot of people in the civilization and it was one of the defining features of their rule.
Answer: The Civil War was a time of great social and political upheaval. It was also a time of great technological change. Inventors and military men devised new types of weapons, such as the repeating rifle and the submarine, that forever changed the way that wars were fought.
Explanation:
