Answer:
The air at higher altitudes is colder, less dense, and contains fewer oxygen molecules. This means that you need to take more breaths in order to get the same amount of oxygen as you would at lower altitudes. The higher the elevation, the more difficult breathing becomes
Explanation:
Examples of primary reinforcers include: food, drink and pleasure.
Secondary reinforcers include grades. Have a good day
Cuba is not an example of countries that were colonized by France.
Colonization can be defined as a process through which a group of people from a particular country establishes foreign control over the indigenous people (inhabitants) living in another country or geographical region, especially by setting up colonies and settling among them.
Based on historical records, the following countries were colonized by France:
However, Cuba was colonized by Spain in the fifteenth (15th) century.
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