The ________ of a continent consists of a core area of Precambrian rocks exposed at the surface with no overlying cover materials
A) shield
B) platform
C) rift zone
D) plateau
Answer: A
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Hominins originated in ____
a. Africa b. Australia c. South America d. China e. North America
The absolute temperature scale that contains no negative numbers is the ____, which makes it convenient for scientific computing
A) Fahrenheit B) Celsius C) Kelvin D) Convection
A ridge of sand projecting into a bay and often having a hooked end is a ________
A) spit B) groin C) sea stack D) jetty
What makes up an ecological community?
A) all the plants, animals, and organisms in the biome B) different species of the same type of animal within a specific area C) all the plants, animals, and organisms interacting in a specific area D) all the plants, animals, and organisms in the ecosystem E) species that use the same resources