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

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

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

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

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?