Biological warfare (mustard gas)
Researchers record the average time it takes rats to complete the maze. In this study, the number of feed pellets was independent as per Manipulation of the Independent Variable
Manipulation of the Independent Variable Again, manipulating an independent variable involves systematically altering its levels so that different groups of participants are exposed to different levels of that variable, or This means that the groups will be exposed to different levels at different times. Independent variables are variables that researchers manipulate to better understand how phenomena, structure, and behavior are related to the dependent variable and Alternative Hypothesis . Instrumental variables are the independent variables in an experiment. It's called "manipulated" because it's something you can change. That is, you can decide in advance whether to increase or decrease. Experiments should always have only one instrumental variable.
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Answer: Option (A)
Explanation:
A batholith can be described as the large horde of the intrusive the igneous rock which are also referred to as the plutonic rock, that are known to be larger than the 100 square km in dimension, these are mostly formed from the cooled magma deep that resides in the Earth's core. These igneous rocks are mostly made up of intermediate or felsic rock types , i.e. quartz monzonite.
The sociological perspective is Symbolic Interactionist Perspective.
The symbolic interactionist perspective of sociology considers that society is a product of the daily social interactions of individuals. This perspective looks at individual and group meaning-making, focusing on human action instead of large-scale social structures.Symbolic interactionists also study how people use symbols to create meaning. In studying deviance, these theorists observe how people in everyday situations define deviance, which differs between cultures and environments.
