Answer:
An operational definition is a statement of the procedures or ways in which a researcher is going to measure behaviors or qualities. For example, the operational definition of anxiety could be in terms of a test score, withdrawal from a situation, or activation of the sympathetic nervous system. Operational definitions are important because one must define the measured variables in order to properly measure it.
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Answer:
Option (A)
Explanation:
Phytoplanktons refers to the marine algae that are responsible for the production of food on which the aquatic species are dependent on. They are the major producers of freshwater ecosystems. This freshwater includes rivers, streams, ponds, and lakes. They are mostly dominated in the upper region of the water body, where they get the necessary amount of sunlight in order to carry out the process of photosynthesis. Some of the examples of phytoplanktons are cyanobacteria, algae, and diatoms.
Thus, the correct answer is option (A).
Answer:
The area of square 2 is 130 units square
Explanation:
see the attached figure to better understand the problem
we know that
The area of a square is
where
b is the length side of the square
Let
b1 ----> the length side of square 1
b2 ----> the length side of square 2
b3 ----> the length side of square 3
Applying the Pythagoras Theorem
-----> equation A
we have
Remember that
so
substitute in the equation A and solve for b2^2
therefore
The area of square 2 is 130 units square
Answer:
the presidential election is held every 4 years
Explanation:
Answer:
Turkle explains how we are creations of what we think. Then adds that with computers having changed the way we think, they have influenced everything that we do. ... Turkle continues to argue that computers have allowed us to do and make ever increasing wondrous things, but can have a negative impact on our everyday
