False, this statement is false.
Answer: C. a substance changes state from solid to liquid
Explanation:
A physical change is one that occurs when the substance of subject changes its form as a result of a reaction. The most noticeable indicator of this is a change in the state of matter such as a change from liquid to solid like the above.
The other options show a chemical change as the form was not changed but its chemical properties such as color was changed or it lost some atoms which became air.
Answer:
Absolute threshold
Explanation:
Absolute threshold: In psychology, the term absolute threshold is defined as the phenomenon through which an individual can detect an external stimulus by putting forward the smallest level of his or her energy, for example, touch, vision, taste, hearing, and smell.
In other words, it is referred to as the intensity's degree of a particular stimulus which is required to accurately figure-out that specific stimulus at least fifty-percent of the time.
In the question above, the given statement represents the absolute threshold.
Answer:
The first one is the correct answer
Explanation:
It makes sense
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