Answer:
Movements along faults can make it harder for geologists to determine the relative ages of rock layers.
Explanation:
The absolute age of a sample is its age in years. This method of determining absolute age is called radiometric dating, and it involves the decay, or breakdown, of radioactive elements. Using radiometric dating, scientists can determine the actual age of a rock.
Answer:
They have a shared economy.
They allow easy migration
<u>Answer:</u>
<em>D. Even though slaves were still considered property, some slaves had kind masters
</em>
<u>Explanation:</u>
According to Calhoun’s argument, the blacks were much better while serving as slaves in America than they were when they were free. This was because of racial inferiority. Since that is inferior, they are given better from the whites
Calhoun also argues that the slaves were better than free workers. This was, therefore, a common argument in the regions of the south. The slaves were better because they were treated well by their masters since the master aimed to take care of their investments.