Answer: option d. the Missouri and Ohio Rivers.
Explanation:
During the last ice age, there was reduction in the amount of solar radiation that hits the surface of the erth. As a result of this, some continents experienced a glacial growth and cold climates and the geography was also affected.
North America was covered by ice and the mid-western North America, the southern boundary of the north polar ice cap during past ice ages is marked by Missouri and Ohio Rivers.
Latitude describes a location in North or South Equator.
The raw sugar industry has made about $378m in Cuban exports while the coffee growing industry at it's peak had only made $21.5m hope this helps
Economic freedom is an important part of the free enterprise system, because it allows us to pursue our own self-interests and this motivates us to be productive