Which agent of metamorphism was primarily responsible for generating the rock in the image above?
A) Heat
B) Directed pressure
C) Confining pressure
D) Partial melting
Answer: A
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If the temperature drops and the amount of moisture in the air remains unchanged, the relative humidity will increase.
Indicate whether the statement is true or false
Which of the following cohorts is the most economically active and productive in the USA?
A) youth cohort B) middle cohort C) old-age cohort D) All three cohorts are about equally economically productive.
What is the main difference between soil horizons and sedimentary bedding?
A) Soil horizons are less consistent. B) Soil horizons form in place. C) Sedimentary beds have a greater variety of particle sizes. D) Sedimentary beds are harder.
Earth's radiative equilibrium temperature is the
a. average temperature at which Earth is absorbing solar radiation and emitting infrared radiation at equal rates. b. average temperature at which Earth is radiating energy at maximum intensity. c. average temperature Earth must maintain to prevent oceans from freezing solid. d. temperature at which rates of evaporation and condensation on Earth are in balance. e. temperature that humans and animals can survive in on Earth.