What was the purpose of the tiananmen square demonstrations in beijing during 1989?

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:

What is the reason for the “scramble for africa”?

When you cross a time zone going east, what happens to the time