The first elements to form after "Big Bang" were ________
A) oxygen and hydrogen
B) oxygen and iron
C) helium and oxygen
D) hydrogen and iron
E) helium and hydrogen
E
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Economic development that meets the needs and aspirations of the present without compromising the ability of future generations to meet their needs is the classic definition for
A) carrying capacity. B) ecological footprint. C) sustainable development. D) Reaganomics. E) the Human Development Index.
The Canadian city with a pre-1800 historic heart is
A. Montreal B. Toronto C. Ottawa D. Quebec
The growth of a precipitation particle by the collision of an ice crystal (or snowflake) with a supercooled liquid droplet is called?
a. ?accretion. b. ?spontaneous nucleation. c. ?condensation. d. ?deposition. e. ?collision.
The biome concept has been applied equally to marine and aquatic systems as it has to terrestrial systems
Indicate whether the statement is true or false