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.
Social reformers and journalists
jane adams Jacob Riis and Ida Tarbel
It began with the overthrow of the Roman monarchy, c. 509 BC, and lasted over 450 years until its subversion in 29 BC, through a series of civil wars, into the Principate form of government and the Imperial period.
I’m fairly sure that B is the correct answer. Presidents can not form treaties without approval.
Answer:
B. Temperamental.
Explanation:
Andrew Jackson was the 7th President of the United States. He remained in the presidency from 1829-1837.
Andrew Jackson is known by many names such as Old Hickory. In his presidency, he has shown many of his personality traits that include being hot-tempered, fearless, strict, tough, and more.
The word that best describes his personality is temperamental. Jackson has shown many of his emotions be it anger or courage.
Therefore, option B is correct.
