Answer:
A testable proposition or prediction is a <u>hypothesis</u>; while an explanation using an integrated set of principles that organizes observations and predicts behaviors or events is a <u>theory</u>.
Explanation:
The hypothesis is a proposition that establishes a relationship between the facts: a hypothesis is the establishment of a link between the facts that the researcher clarifies to the extent that he can generate logical explanations of why this link occurs.A theory is a set of interrelated structures (concepts, definitions and propositions) that present a systematic perspective of the phenomena specifying the relationships. It is the main objective of science, it is a combination that is projected in a systematic perspective of the phenomena in order to describe, explain, predict and control the phenomena.
Answer:
D. Stimulants
Explanation:
Dopaminergic stimulants like amphetamine, methamphetamine, cocaine, MDMA, and methylphenidate are euphoriants.
Answer:
B-238
Explanation:
Maximum members consist of 250 in Rajya sabha.
Answer:
Tracking system
Explanation:
A system that is used to observe people or objects that are on the move with providing a time ordered sequence of the location data for processing further.