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