What happened around 800 million years after Earth formed to allow rocks to

form?

O

A. Life began to appear.

O

B. The sun dimmed considerably.

D

C. Earth cooled sufficiently.

D. The ozone layer formed.

How many people live in Australia?

Which feature do the mediterranean countries have in common

The United States pulled out of Vietnam in 1973 after the American public's decline of support. True False

In Guyana and Suriname, the dominant ethnic group is made up of people descended from workers who migrated from A. India. B. China. C. Africa. D. France.

If AB = CA and m1 = 46°, what is m3?

11. Name 3 types of birds in Oceania and describe what makes them unique. 12. What are some ways that non-native species were introduced to Oceania? 13. What effects can invasive species can have on an ecosystem? 14.

Which of the following is a false pairing of an early civilization and its modern-day location A. Mesopotamians - Iraq B. Indus Valley Civilization - Pakistan C. Olmec - Canada D. Egyptians - Egypt

What is the main reason water from the ocean turns to what're vapor, and than evaporates into the air? A. ocean breezes B. changing tides C. heat front the sun D. moons gravitational pull

What could cause an igneous rock to become soil? a. Increased temperature and pressure c. Exposure and weathering b. Melting and crystallization d. All of the above

One knot is equal to one nautical mile. a. True b. False