Question 6: note that the sun can never be at the zenith for lincoln (lat = 41°n)? how far

would you need to move on the earth to find a latitude where the sun can be at the

zenith?

30 a town is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.