Question

stuart is studying weather data for his region. the data was gathered from 1950 to 2016. which observation would provide the strongest evidence that the climate of his region has changed during this time?
a. average annual rainfall for 1985 - 2016 increased by 20 percent compared to the previous 30 years.
b. total rainfall in 2014 was 30 percent greater compared to 1950.
c. the lowest recorded temperature occurred in 1954.
d. the highest recorded temperature occurred in 2016.

Explanation:

Climate change is best indicated by long - term trends. Option A shows a long - term trend in rainfall over two 30 - year periods. Option B is a single - year comparison, Option C is about a single low - temperature event, and Option D is about a single high - temperature event. A long - term trend in rainfall is a stronger indicator of climate change.

Answer:

A. Average annual rainfall for 1985 - 2016 increased by 20 percent compared to the previous 30 years.