Question

At each checkpoint you must list the city, country, and continent. The teacher must

check all answers before you can go on to the next checkpoint.
Checkpoint 1. Start at: 29°N 98°W and go to: 19°N 99°W

Answer 1

If I correctly understand your question, the first coordinate "29°N 98°W" is located in the following:

City: Falls City

Country: United States

Continent: North America

An for the second coordinate "19°N 99°W:"

City: Tlalnepantla

Country: Mexico

Continent: North America