What ancient civilization built the Machu Picchu complex in Peru?
Maya
Inca
Olmec
Aztec
The Statue of Liberty was a gift to the US from where?
Great Britain
Spain
France
Italy
The Great Sphinx in Egypt has the head of a man and the body of which species of animal?
bear
camel
dog
lion
In the initials of the federal agency known as NASA, what does the first "A" stand for?
Aerospace
Administration
Aeronautics
Academy
What is the most abundant element in the universe?
hydrogen
carbon
helium
oxygen
What is the largest organ of the human body?
large intestine
skin
heart
spleen
What do you call a scientist who studies rocks?
geologist
archaeologist
proctologist
paleontologist