Chemical pollution is correct
Answer:
C.
Explanation:
Conceptual Replication can be defined as a procedure of repeated experimenting with different methods. The researchers in this method of experimenting performs the experiment of the underlying hypothesis with different methods to know the reliabilty of the result.
<u>In the given scenario, Mark has performed the experiment to determine if consuminh caffeine causes people to perform better on cognitive tasks but using different methods. The reliablity of hypothesis was checked by using different methods, first, Mark experimented on maths solving method then he performed the experiment of same hypothesis with different method of solving verbal analogies</u>.
So, the correct answer is option C.
Answer:
It was an agreement signed by India, Pakistan, and Bangladesh on August 28, 1973.
In 1823 President James Monroe (1758–1831) declared that the United States would allow no European power to extend its territorial reach throughout the Western Hemisphere. All that this country desires is to see the neighboring countries stable, orderly, and prosperous.