I think it is D
Hope this help you?
Continuing his linguistic studies, Tolkien joined the faculty of the University of Leeds in 1920 and a few years later became a professor at Oxford Universit.
Actuary, statistician, mathematician, financial analyst, econonmist, data science, meterorologist, geographer, and etc.
Explanation:
Mathematical knowledge is very important in STEM jobs. They need math to treat patients, understand medical test, and operate medical equiptment.
Answer:
Because new people need new things. and different people need different things too. everyone needs something different