Geo Bowl 4/27/1991

The sun's are directly overhead on March 21st (equinox) at the

• Tropic of Cancer

• Tropic of Capricorn

• Equator

• Arctic Circle

Which type of air mass originates over the Gulf of Alaska?

• maritime polar

• maritime tropical

• continental polar

• continental arctic

In the tropical rainforest most of the biomass is located

• in the upper layers of the soil

• in decaying plant matter

• in the undergrowth

• in the leafy upper layers of the forest

Which of the following soil textures has the best drainage capability?

• clay

• sand

• silt

• all of the above

High humus content is typical of

• grassland

• tropical rainforest

• desert scrub

• chaparral

One of the following countries is not on 0⁰ longitude:

• England

• South Africa

• Mali

• Spain

Which of the following is not a plant adaptation to arid conditions?

• small, waxy leaves

• spines

• broadleaf evergreen

• extensive root system

The large grazing mammals of Africa are located in the

• tropical monsoon

• tropical savanna

• tropical rainforest

• tropical desert

Which of the major ocean basins has a greater percentage of active volcanoes?

• Atlantic

• Pacific

• Indian

• Arctic

Most strong earthquakes are generated by

• volcanic eruptions

• submarine landslides

• sudden crustal movements on active faults

• the collapse of caldera