The two main factors that affect earth's climate are

Which of the following was not an effect of increased migration to cities during the early 20th century? (A) Declining availability of unskilled workers. (B) Worsening living conditions and sanitation. (C) Increasing power for political machines.

How did canada gain its independence from britain?

Which one sounds correct? The wave's backwash or the waves' backwash.

Which planet do most known extrasolar planets most resemble? a. mercury b. earth c. neptune d. mars

What was an effect of the movement of foods like corn and potatoes from the western hemisphere to the eastern hemisphere?

Which of the following Rivers is unique because it is home to more species of large fish than any other River? A. The Huang He River B. The Yangtze River C. The Han River D. The Naktong River

The area just north of Lake Baikal is called?

When the Europeans traveled the Mississippi and the Amazon rivers, what did they bring to the native peoples of both continents? A. Gifts and wisdom B. Exotic plants and animals C. Smallpox and other disease D. Technology and knowledge

What are the major controlling factors for the variations of the water mass in the ocean?

The climatic effect that influences precipitation and air flow locally is