An imaginary circle around the earth, equally distant from the north pole and the south pole
cartographer
location
equator
longitude

The solstices and equinoxes, and the number of hours of daylight associated with each, are major factors in the seasons. use the drop-down menus to identify the month when each of these events occurs. the winter solstice in the northern hemisphere: an equinox in both hemispheres: the summer solstice in the northern hemisphere:

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

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