Which of the following is not one of guyana's natural regions?
hilly, sand and clay region
mountainous and meadows region
low coastal plain
highland region

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:

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity

How are the arctic and antarctic circles alike?