Identify and Locate 3 High Latitude Climates can you plz help

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:

The earth's internal process which drives seafloor spreading is

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )