Answer:
Unit 2: Networks of Exchange (c. 1200-1450):
Explanation:
Improved commercial practices led to an increased volume of trade and expanded the geographical range of existing trade routes—including the Silk Roads, trans-Saharan trade network, and Indian Ocean—promoting the growth of powerful new trading cities.
McCulloch v<span>. </span>Maryland<span> (1819) is one of the first and most important </span>Supreme Court cases<span> on federal power. In this </span>case<span>, the </span>Supreme Court<span> held that Congress has implied powers derived from those listed in Article I, Section 8. The “Necessary and Proper” Clause gave Congress the power to </span>establish<span> a national bank.</span>
The divestiture from south Africa was initially upheld in the 1960s. this crusade, in the wake of being acknowledged in elected enactment sanctioned in 1986 by the assembled states is acknowledged by some as influencing the south African government to set out on transactions, at last, prompting the disassembling of the politically-sanctioned racial segregation framework.
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.
