In weather terms, a "front" is: Question 4 options:

when air masses spread apart

the boundary between air masses with different temperature, humidity, and pressure

the beginning of a weather event

when air masses mix

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:

Does water only take one path through the water cycle? (15 points)

What is the famous rainforest in costa rica called?