Identify/Describe Data Trends Practice Test

A climate-and-lifestyle note (2010–2023) shows average summer electricity demand index (2010=100) rises to 112 by 2018, drops to 105 in 2020, then reaches 118 by 2023. The text mentions heatwaves and efficiency upgrades. According to the trends shown, which of the following best describes the change over time?

A technology-in-schools summary (2015–2023) reports the share of public junior high classrooms with one device per student rises from 4% to 71%. The report notes the steepest increase occurs between 2020 and 2021. Based on the data presented in the passage, which trend is evident?