The ____________________ ____________________ provides paleontologists with a unique look at the soft-bodied
organisms that thrived in the Middle Cambrian. Fill in the blank(s) with the appropriate word(s).
Burgess Shale
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A plant called kenaf would help to reduce the pressure to cut trees because its fiber is very useful for
a. making paper b. home construction material c. furniture making d. fencing and decking material e. fabric for outdoor carpeting
The earth's radiative equilibrium temperature is:
a. the temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates. b. the temperature at which the earth is radiating energy at maximum intensity. c. the average temperature the earth must maintain to prevent the oceans from freezing solid. d. the temperature at which rates of evaporation and condensation on the earth are in balance.
The mechanism that helps nebulae to collapse into dense balls is
a. Gravity b. Pressure c. Heat d. Viscosity
Which of the following minerals does not form as a result of magmatic segregation?
A) Beryl B) Quartz C) Feldspar D) Calcite