About how old are the atoms that make up the body of an 18-year-old student?
What will be an ideal response?
The age of most of the atoms that make up our bodies and the world around us are as old as the universe itself. Atoms heavier than hydrogen were manufactured in stars, and those heavier than iron were made as giant stars exploded. The atoms that make up our bodies were once the material of stars that have long since exploded.
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Motion in the atmosphere is called
A) climate. B) wind. C) convection. D) wave.
________ are earthen mounds built on the banks of rivers to increase the volume of water the channel can hold
A) Natural levees B) Channels C) Flood-control dams D) Artificial levees
Evaluate this statement: Regional metamorphism occurs in areas of low tectonic stress
Indicate whether this statement is true or false.
Which one of the following most accurately describes the volcanoes of the Hawaiian Islands?
A) Volcanoes are associated with subduction and a convergent plate boundary. B) Volcanoes are fed by a long-lived hot spot below the Pacific lithospheric plate. C) Volcanoes are associated with a mid-Pacific oceanic ridge and spreading center. D) Volcanoes are associated with a mid-Pacific transform fault.