<span>In Austria, Emperor Joseph II freed the serfs</span>
Answer:
Increased trade for silver from South America contributed to inflation and unrest.
AND
Hardy New World vegetables were grown in previously barren land.
Explanation:
The amount of rain falling on the cactus plants.
Answer: Option C
<u>Explanation:</u>
Here, the independent variable is the amount of rain that makes the cactus plant grow taller. Control is treated the same as all the rest of the samples, except that it is not exposed to variables that are influenced.
In most experiments, it is important to perform a trial with the independent variable, at a special locale for comparison with the other trials.
The control group consists of all trials where the independent variable is left in its natural state. These trials provide a basis for comparison and ensure that any changes observed in the height of cactus plant are in fact caused by the amount of rain.
The second part exemplifies the idea that there are certain natural rights of all people that all people have by their birth and that these rights are self evident. According to them, a good government should protect those rights. This is followed by the grievances that are the third part.
