Answer:
you could use the microarray technology to see which genes his cancer cells have increased, lessened, turned on, or turned off.
Explanation:
Microarray technology is a unique tool used almost exclusively in molecular biology, since it is able of counting hundreds or thousands of gene transcripts from a specific cell or tissue sample at the same time. Therefore based on the information provided within the question it can be said that in this scenario you could use the microarray technology to see which genes his cancer cells have increased, lessened, turned on, or turned off.
The correct answer was A) he felt this would allow the population to thin itself out naturally
He rebuilt canals.
He established new cities.
He established a good taxation system.