About 40 of the land's primary production on Earth
A) has been appropriated to meet human needs.
B) has been destroyed by global climate change.
C) uses more oxygen than it produces.
D) has been lost in order to build enough homes for all of the people on Earth.
Question 2
Because many places in which people build homes are at high risk of a physical disaster, some people have suggested that town zoning boards identify such high risk environments as stupid zones.
Which one of the following would probably not be located in such a stupid zone? A) A new home is built in Iowa, about two feet above normal water levels and 1,000 feet away from the Mississippi River.
B) A log cabin home is constructed in a dry, drought-prone, coniferous forest in California.
C) A new home in South Dakota sits 200 feet up a hillside, overlooking a vast natural prairie.
D) Along the coast of southern Florida, a retired couple builds their dream home on a barrier island.
Size comparison of Earth and Mars.
Rivers on Mars and Earth
Schematic map of the human mitochondrial genome.
Human Fetus
Energy Production
Earth’s Spheres