1 Which is not true about wind speed and direction?A Winds are caused by the uneven heating of Earth's surface. B Winds are caused by differences in air pressure. C Winds are caused by changes in humidity.

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

How does the parallax of a nearby object compare to that of an object farther away?

Which of the following areas has the highest population density?