What is Obama's last name

You can reduce glare in snowy weatuer by?

Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?

"what factors influence the absorption of sunlight at earth's surface? "