The correct answer is letter C
Explanation: Conducting scientific experiments is the ideal opportunity to identify the effects of a lurking variable on the response variable. Not all experiments all approved, sometimes performing the experiments are the only way to find out the effects.
The case must first be heard at the lowest level of court. Most states have a court system that exists in the same area as a federal magistrate court or federal district court. The case must be decided by the lower court and appealed to a higher court. In the federal system this is the circuit court. Once all the lower courts have been exhausted, the lawyers may apply to be heard by the <span>Supreme Court. The Supreme Court will determine which cases it will hear.
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More people were needed to plant and pick cotton so plantation owners used slaves to fill these positions.
Explanation:
The invention of the "cotton gin by Eli" Whitney resulted in tremendous production in America and other industrial estates. However, it was associated with another far-fetched issue along-side.
Before the invention of the cotton gin, there was general slack in demand of slaves. The coming of cotton gin meant the humongous need for raw cotton since the machine can process the raw cotton at a faster pace than any other machines available contemporarily.
This rapid need for raw cotton was substituted by employing slaves in the cotton field for their production and collection. This caused an increased need for slave once again.
