Question

earths average temperature has risen over the past century. most climate scientists attribute the temperature rise to increased concentrations of greenhouse gases released into the atmosphere by humans. this rise in average temperature caused by humans is known as global warming.
this graph shows earths average temperature change between 1900 and 2015. the temperature change for each year is the difference between the average temperature in that year and the average temperature in 1900. the data come from averages of measurements taken at weather stations around the world.
temperature change since 1900
graph with x-axis year (1900, 1925, 1950, 1975, 2000, 2025) and y-axis temperature change (°f) (-0.5, 0, 0.5, 1, 1.5, 2), line graph showing trend, with 2015 marked
based on this graph, about how much higher was the average temperature in the year 2015 than in the year 1900?
0.5°f 1°f 1.5°f 2°f

Explanation:

Step1: Locate the value for 2015

Look at the graph and find the temperature change value for the year 2015.

Step2: Read the value

The value on the \(y -\)axis (temperature change) for 2015 is approximately \(1.5^{\circ}F\).

Answer:

\(1.5^{\circ}F\)