The current geologic period, the Quaternary, begin around 1,800,000 years ago. Express this number in scientific notation.

What are the two largest countries in south america?

The richter scale registers the magnitude of an earthquake by determining the

Which of these is an example of a hypothesis? A) Temperature changes may be due to wind patterns. B) Wonder why some layers of rocks contain fossils. C) Add different kinds of soil to three potted plants. D) Observe fish swimming up a stream.

The average, year after year conditions of temperature, precipitation, winds, and cloud in an area are known as its

Which term refers to all areas of Earth where life exists? biosphere biome community ecosystem

What event increased international support for the creation of a Jewish national homeland in Palestine? A. the Arab-Israeli War B. the signing of the Balfour Declaration C. the Holocaust D. the British withdrawal from Palestine

Which resources are found in Brazil's rain forests? Choose all answers that are correct. rubber nuts medicinal plants wheat

Consider the treaty drawn up with Massasoit and explain whether or not you feel its term equally favorable to both parties. What seems to be Bradford's attitude toward the Wampanoag?

11. What is the solution set of the equationX^2 - 5X - 24 = 0

Many Pacific islanders practice A. traditional forms of art, dance, and music. B. Middle Eastern forms of religion. C. Asian forms of government. D. a command economy.