Answer:
The correct answer is b. an operational definition.
Explanation:
An operational definition constitutes the set of procedures that describe the activities that an observer must carry out to receive sensory impressions, which indicate the existence of a theoretical concept to a greater or lesser degree. In this sense, it tries to clearly indicate how the variables are going to be manipulated or measured and also indicates that to measure a variable, it is necessary to carry out a series of activities or procedures. It is the one that builds or adapts from others, based on the observable characteristics of the phenomenon; indicating the concrete, empirical elements or indicators of the fact to be investigated.
Three nonpolar molecules that are used in everyday live are carbon dioxide (CO2), methane (CH4), and ethylene (C2H4).
Ethylene is used to make plastic and ripen fruits and methane is used to produce electricity and power garbage trucks. Besides its usage in the crucial processes of photosynthesis and cell respiration that keep us alive, carbon dioxide is important in refrigeration and is also found in fire extinguishers.
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An example of a disorder that could be caused by a nutritional deficiency is anemia.
Q85. C- Break Down Large Molecules into smaller molecules!
Answer is Mass number of
9