Based on scientific data and testing, our Universe began approximately 13.7 billion years ago with the Big Bang.
a. true
b. false
a. true
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What is one possible reason artiodactyls have been more successful than perissodactyls?
a. Artiodactyls developed the ability to fly. b. Artiodactyls developed multiple stomachs to aid in digestion. c. Artiodactyls developed long limbs to run faster. d. Perissodactyls developed the ability to fly. e. Perissodactyls developed multiple stomachs to aid in digestion.
Atmospheric pressure is produced by the weight of a column of air above a unit area of the Earth's surface.
a. true b. false
Though Hong Kong is now part of China, its northern border is separated from the rest of the country by an electrified fence to control the movement of goods and people
Indicate whether this statement is true or false
In what environment does high pressure-low temperature metamorphism occur?
a) near magma but at shallow levels b) near magma but at deep levels c) under normal conditions of burial and heating d) in a subduction zone or accretionary prism e) none of the above