Zach is a physics student who is considering taking an extra course in history. What is an incentive that might encourage him to take the history course? An incentive that might encourage him to take the history course is __ A. a decrease in the GPA of students who take history B. an increase in tuition C. a decrease in history teachers' wages D. tougher grading in physics

incentive that might encourage Zach to take the history course is D. tougher grading in physics. If the grading in his physics course becomes tougher, it may discourage him from performing well and could lead to lower grades. By taking an extra course in history, he might find it less challenging and have a better chance of achieving higher grades, which could positively impact his overall academic performance.