8. unlike weather, climate

a. describes the average conditions and atmospheric patterns of a region over time.
b. describes the day-to-day condition of the atmosphere of earth.
c. involves variations in precipitation.
d. involves variations in temperature.

Unlike weather, climate describes the average conditions and atmospheric patterns of a region over a period of time. Weather is the day-to-day atmospheric conditions. It includes windy days, sunny, rainy, cloudy and etc. Weather then describes the state of an atmosphere at a place and time to its heat, dryness, sunshine, wind, rain. Climate on the other hand is the prevailing conditions of an area over a period of time, for instance, tropical climate.

It is climate (A) that describes the average conditions and atmospheric patterns of a region upon the Earth, over a period of time. It is distinctive from the weather which describes the specific meteological activity taking place at a specific time and in a specifc location upon the Earth.