How did the introduction of steamships affect transporting goods on rivers?

Why might the new countries be interested in joining the european union (eu)?

Is water wet? and is fire on fire?

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: