The correct answer is - 3. maize.
The maize was the basis of the diet of the civilizations of Mesoamerica. It was one of the first wild plants in which the people from this region saw a potential as a big and stable food source, so they started to farm it. All of the civilizations we know from this region, like the Olmecs, Toltecs, Mayans, Aztecs, formed and developed their civilizations around the food source that was provided by the maize.
C. South Africa goes through another economic recession
<span>Ocean currents have a effect on precipitation and climate. The ocean currents bring warm water to cold places and vice versa. Without the ocean currents being the way they are, we would have the climate we have today. The precipitation part of my answer is pretty obvious. The ocean is water and water evaporates and makes clouds and then the clouds rain.</span>
Answer:
C
Explanation:
Roads can vary in elevation, since a road is essentially any path to walk on.
Hills have varying elevations - they are higher at certain points.
Rivers can flow downhill and aren't always at equal elevation.
Contour lines on a topographical map connect points of equal elevation. If you were to follow a contour line while walking, the elevation would remain constant.
