Which is true about UVA and UVB rays? A. Both rays can be blocked 100% by sunscreen B. UVA protects the surface, UVB protects beneath the surface C. UVB rays cause burning, UVA rays cause premature aging D. UVA rays cause burning, UVB rays cause premature aging

Pls needs hypehen or no hyphen 1. after serving as principal for ten years,mr. jones will resign this year 2. it's sixty seven degrees outside and it's only february!

You visit two websites about inventions of the 21st century. one has .edu in the url address and the other has .com. which site is more likely to be credible and why? (6 points) select one: a. the .edu site is more likely to be credible because all .com sites are trying to sell you something. b. the .edu site is more likely to be credible because its domain is a university or other school type. c. the .com site is more likely to be credible because all .edu sites are personal college student blogs. d. the .com site is more likely to be credible because its owners review all the content before publishing.

Which function is positive for the entire interval (-3, -2]?