Why is sunlight important for the biosphere?

What action should you not take if your friends do not accept your decision to abstain from alcohol

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:

Where is the only location in the united states where you drive on the left side of the road?