Which of the following best describes the authors existence in the passage?

Asmall french-themed cafe has just introduced a quiche, a baked dish made with a pastry crust and a filling of beaten eggs and cream. quiche is frequently flavored by adding vegetables, meat and seafood. what does the chef ask the prep cooks to do so the vegetables in the dish bake evenly? a. choose special out-of-season vegetables b. wash the vegetable dishes extra clean c. label all the vegetable ingredients d. cut the vegetable pieces into the same size e. cut the vegetable pieces into a wide variety of interesting shapes

Which of these is a disadvantage of hydrogen fuel cells? a. engines that use hydrogen fuel are more efficient than gasoline-powered engines. b. the only emission produced by hydrogen fuel cells is water. c. hydrogen fuel is continually available and useful for heating. d. hydrogen fuel is often purified in a process that emits lots of greenhouse gases.

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.