Yes it is a reliable source
Explanation: it shows the earth all in one. Makes it easier to study
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
A. The U.S.-Mexico border.
B. You left Texas and are now in the Federal District of Mexico.
C. It is next to Mexico City, which is both politically and economically the most important city in Mexico.
D. The Sierra Madre del Sur Mountain Range.
B) 12.5
Interquartile range, part of the descriptive statistics is where you measure the between the difference of Q1 and Q3. Q2 is then the interquartile range. Further, interquartile range is the midpoint or the mid-spread of the data given.
Muslim Seleka and Christian Anti Balaka? Not ethnic but these are the two groups in conflict I’m aware of
When viewed from the equator (0 degrees latitude), Polaris lies on the northern horizon. As an observer moves northward--say, to Houston, Tex. (30 degrees latitude)-- Polaris is located 30 degrees above the northern horizon.