Ease Into Prep with an ACT® Question of the Day

Build prep into your routine until it's second nature.
Get an ACT question—with detailed answer explanations—in your inbox every day.

ACT Question for April 25th

Solar cycles are periodic variations in the Sun's brightness. The following figure shows the number of sunspots and the Sun's brightness at a particular wavelength for part of one cycle.

Based on the Figure, which of the following hypotheses best relates the number of sunspots to the Sun's brightness at the particular wavelength?

Ready for a Higher Score on the ACT?

No matter where you are on your journey, Kaplan's expert teachers can help you raise your score.
Find the course that fits you best.

Find Your Prep
Kaplan | 750 Third Ave | New York, NY 10017
© Kaplan Inc. All Rights Reserved.
Privacy Policy Terms and Conditions
actoffpt16science03.04