Using a Table of Contents Contents
8. Overheard in the Lab:
What’s the Word?

10. See for Yourself:
Nothing to Sneeze At

12. Who’s Who:
The Medical Team

15. Case #1: The Mystery of the Killer Bird Flu!
An 11-year old girl and her mother die
from a serious flu. Is this the start of a
worldwide health crisis?

—When Birds Get Flu and Cows Go Mad!,
John DiConsiglio

If you wanted to know specific details about someone who had bird flu, which page would you read?
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What exaggeration about him smiley does the narrator of the notorious jumping frog of calveras county make

Mary is reading a book that has 135 pages. she can read 18 pages in an hour. if she takes h hours to finish reading the book, the equation that can be used to find the value of h is

3one of the biggest impacts a building has on earth is the energy it uses. currently, most of the world’s energy comes from burning fossil fuels. these fuels are dirty and when they are burned they pollute the air and water. one way to burn fewer fossil fuels is to reduce the amount of electricity a building has to use. passive solar heating, which uses heat from the sun, reduces the amount of fossil fuel used to heat buildings. passive solar heating requires a south-facing wall made of glass. when sunlight shines through the wall, it is collected and used to warm the building. another way green buildings reduce their electricity use is to install other energy sources. for example, some green buildings use panels that turn energy from the sun into useable electricity. which is the best summary of paragraph 3? a) fossil fuels are dirty and pollute the air and water. most of the world's energy comes from these fuels. b) the biggest problem of buildings is that they use fuel that is dirty for heating. they need to do something to be more energy efficient. c) panels that turn energy from the sun into electricity and passive solar heating can stop the burning of fossil fuels which pollute air and water. d) since fossil fuels are dirty and pollute the air and water, other technologies that pollute less and produce energy have been developed like solar energy and green buildings.