There was no unified state that could grow all parts of life equally so they had to depend on trade in order to get goods that they needed from each other since they couldn't develop all parts of production or manufacture. Ones would for example have a developed pottery industry while the others would have mastered making Olive oil so they would trade in order to get what they needed because they couldn't make it on their own.
An isometric contraction is the kind of contraction that leads to development of tension but no increase in length.
An isometric contraction occurs as the muscle produces tension without changing the angle of a skeletal joint. Isometric contraction is a static muscle action that helps to maintain the posture. For example, the antigravity muscles. It occurs in the biceps when the arms may be holding a weight. In such a posture, the biceps enlarge due to holding of weight and produces tension but do no increase in length. It stops the flexion of elbow. In such contraction, no work is done, and lesser amount of heat energy is released in comparison to isotonic contractions.
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The relationship between the prices of apple and demand is : <u>A Negative correlation </u>
<h3>Negative correlation </h3>
A negative correlation occurs when an increase in one variable leads to a decrease in value of the other variable.
As the price of goods and service go up in the open market, the demand for the goods and services goes down, this kind of relationship is known as an Negative correlation.
For Kelvin to have an increase in demand he must decrease the price of the apples.
Hence we can conclude that The relationship between the prices of apple and demand is a<u> Negative correlation </u>
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Based on the socio-political system, in addition to gerrymandering, a significant reason why so many members of Congress are elected from "safe" districts is "<u>the natural geographic clustering of people who share a political ideology."</u>
The demographic analysis has shown that people of the same political ideology tend to stay together in the same geographical area.
One of the reasons is that people living in the same geographical area share similar issues, such as social infrastructures.
Another reason is that people can easily influence one another when they stay in the same locality, increasing the clustering of people who share a political ideology.
Hence, in this case, it is concluded that the correct answer is "<u>the natural geographic clustering of people who share a political ideology."</u>
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