Hello,
Here is your answer:
Thew proper answer to this question is option B "false". That's because a negative tropism is when its moving away.
Your answer is B.
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There must be 2 resistors for the two lightbulbs and an indicator bulb!
The correct answer is: a. using a photographic negative to make a positive image
A negative image is a total inversion of positive image (normal image). Negatives are normally used to make positive prints.
This can be compared to copying mechanism of DNA-replication of DNA in which one strand of DNA (e.g. 3’-5’ orientation) is used as a template to make new strand with opposite orientation (5’-3’).