[Answer] Which nation's athletes enter first at an Olympic Opening Ceremony?

Step 1 : Introduction to the question "Which nation's athletes enter first at an Olympic Opening Ceremony?"

...The Olympic Games held in Amsterdam in 1928 marked the beginning of a new tradition that remains to this day: the Olympians of Greece enter the Olympic stadium first and the host nation's Olympians bring up the rear of the processional. The other participating nations follow the alphabetical order of the host nation's native language. Each nation's delegation chooses an athlete to do the honor of carrying their country's flag into the Olympic Stadium. Source: NBCOlympics.com

[Answer] This national park was our nation's first and features 2.2 million acres of mountain scenery, animals and endless natural beauty.

Step 1 : Introduction to the question " This national park was our nation's first and features 2.2 million acres of mountain scenery, animals and endless natural beauty. "

...1. Yosemite National Park 2. Yellowstone National Park 3. Grand Teton National Park 4. The Great Smoky Mountains National Park

[Ans] Which nation's athletes enter first at an Olympic Opening Ceremony?

Step 1 : Introduction to the question "Which nation's athletes enter first at an Olympic Opening Ceremony?"

The Olympic Games held in Amsterdam in 1928 marked the beginning of a new tradition that remains to this day: the Olympians of Greece enter the Olympic stadium first and the host nation's Olympians bring up the rear of the processional. The other participating nations follow the alphabetical order of the host nation's native language. Each nation's delegation chooses an athlete to do the honor of carrying their country's flag into the Olympic Stadium. Source: NBCOlympics.com