The speed of all ocean waves is controlled by ____________, ____________, and ____________ ____________. Fill in the blank(s) with the appropriate word(s)

Which one of the following is the most abundant gas in the atmosphere

oxygen argon carbon dioxide nitrogen

You visit a small village during a trip to Haiti. Which of the following would you be most surprised to find them using for cooking?

A) Dried animal dung B) Coal C) Charcoal D) Wood

Which area(s) on this world map is likely to have volcanoes above sea level?

A) A
B) B
C) C
D) D

A geographer is investigating the claim, "the countries with more years of schooling have higher literacy rates." Which of the following comparisons from Sub-Saharan Africa could he use to refute the claim?

What will be an ideal response?