Why is "zoic" part of so many names on the geologic time scale?
What will be an ideal response?
"Zoic" refers to "life," and because fossils were used to differentiate Earth history for the most part, "zoic" is an appropriate ending for the names of the divisions.
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A monocline is one-half of an anticline or syncline
Indicate whether the statement is true or false
There are three possible fates for the universe: 1. eternal expansion; 2. total collapse; or 3. some equilibrium condition with no further motion. What conditions might favor one result over the other?
A) Critical velocity—is there enough momentum to continue expansion forever? B) Critical density—is there enough mass in the universe to cause gravitational collapse? C) Critical volume—is the universe large enough for unlimited expansion? D) Critical energy—is there enough energy in the universe to maintain either expansion or collapse?
One-fourth of the Earth's people suffer malnutrition on a daily basis. Indicate whether the statement is true or false
Which statement comparing terrestrial and Jovian planets in our solar system is most accurate?
A. Jovian planets are smaller and less than terrestrial planets. B. Jovian planets are smaller and more dense than terrestrial planets. C. Jovian planets are larger and less dense than terrestrial planets. D. Jovian planets are larger and more dense than terrestrial planets.