Yosemite National Park
|
|
2.7 |
|
|
Acadia National Park
|
|
2.8 |
|
|
Everglades National Park
|
|
2.6 |
|
|
Grand Canyon National Park
|
|
2.9 |
|
|
Great Smoky Mountains National Park
|
|
2.9 |
|
|
Saving the American Bison
|
|
2.8 |
|
|
Saving the Bald Eagle
|
|
2.9 |
|
|
Saving the Gray Whale
|
|
2.9 |
|
|
Saving the Grizzly Bear
|
|
2.9 |
|
|
Saving the Manatee
|
|
2.8 |
|
|
Saving the Sea Otter
|
|
2.9 |
|
|
Computer Programmer
|
|
2.8 |
|
|
Meteorologist
|
|
2.9 |
|
|
Clothing Then and Now
|
|
2.8 |
|
|
Communication Then and Now
|
|
2.7 |
|
|
Dominican Republic
|
|
2.9 |
|
|
Cooking Then and Now
|
|
2.5 |
|
|
Homes Then and Now
|
|
2.6 |
|
|
Toys Then and Now
|
|
2.7 |
|
|
Ecuador
|
|
2.9 |
|
|
Ireland
|
|
2.9 |
|
|
Sweden
|
|
2.9 |
|
|
Using Primary Sources
|
|
|
|
|
Brazil
|
|
2.8 |
|
|
