Historians trace the origins of a 24-hour day to

a) the Aztecs.

b) the ancient Egyptians.

c) the druids of Stonehenge.

d) the Babylonian astronomer, Meton.

e) the Mayans.

Which of the following countries had the longest civil war?

What happens in the mantle?

Why are astronauts (and other objects) weightless inside the International Space Station as it orbits Earth?

Identify one example of how your beliefs, behaviors, or practices have changed as you have applied them to new situations. How did a move, a new challenge, or a new influence change you as a person?

Which of the following Outer China regions is a geological massif and has the youngest, highest plateau in the world? A) Tibetan Plateau B) Inner Mongolia C) Northwestern China D) Pearl River delta E) none of the above

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