The answer is Columbus... The first school for African Americans were in Columbus
The Sahara covers most of North Africa
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The group that most of the Americans living on the frontier supported was the Cowboys.
Yes, at the end of the 1800s in the frontier region, Cowboys made a name by themselves. Indeed, they became one of the symbols of the West, almost as the ideal heroic man of that time.
The very first cowboys started in México under the Spanish name of "vaqueros." They worked introducing cattle to the Mexican territory. Then, the American cowboy, not only whites but African Americans too. They worked for hours under harsh weather conditions, being hot conditions in summer and cold conditions in winter, and they really did not receive good salaries for the job they did.
Answer:
Radiation
Explanation: If you have stood in front of a fireplace or near a campfire, you have felt the heat transfer known as radiation. The side of your body nearest the fire warms, while your other side remains unaffected by the heat. Although you are surrounded by air, the air has nothing to do with this transfer of heat. Heat lamps, that keep food warm, work in the same way. Radiation is the transfer of heat energy through space by electromagnetic radiation.
