image015.png This graph shows US crude oil production by year. Explain the graph by answering these questions: a. Why was there a continuous rise until 1970? b. And why a decline for 30 or 40 years after that? c. And then why did the curve zoom upward beginning in about 2010?
Read DetailsLet’s go back to Pennsylvania.a. In Pennsylvania, there are many ridges separated by valleys. The ridge tops seem to zig-zag back and forth. Sort of back-and-forth and then back-and-forth again. Explain how this came to be? Why is it this way?b. And if you go to Pennsylvania, will you find that the rocks on top of the ridges are older than those in the valleys, or it will be the other way around? Or, will there be places that are one way, and other places that are the other way? Explain.
Read Detailsa. What is the fuel used in nuclear power plants? (What does it consist of?)b. What are breeder reactors and why might they be important in the future? On the other hand, there are some real worries about breeder reactors. What are the potential problems?
Read DetailsA client reports eating a lunch made up of: a sandwich (2 slices of bread, 2 ounces of reduced fat cheese, 1 ounce of ham, 1 tsp mustard) 8 oz 2% milk small bag (3/4 oz) of potato chips 1/2 cup of fruit cocktail What was the carbohydrate content of this lunch using the Exchange System values?
Read Details