What is the capital of Hawaii

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:

How do oceanographers measure the salinity of ocean water?

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called