Author Question: Earth's biosphere A) is more a theoretical construct than an observable sphere of study. B) ... (Read 61 times)

naturalchemist · **on:** Jul 14, 2018

Earth's biosphere

A) is more a theoretical construct than an observable sphere of study.
B) only includes the biotic components of an ecosystem, with the abiotic components being considered part of the lithosphere, hydrosphere, or atmosphere, respectively.
C) consists of only terrestrial organisms, while the hydrosphere includes aquatic and marine organisms.
D) extends from the ocean floor to an altitude of approximately 8 km (5 mi) into the atmosphere.

Question 2

Which of the following is NOT true of marine west-coast climates?

A) They are dominated by mP air masses.
B) These climates experience very cold winters because of their high latitude (about 45 to 55 north).
C) The weather is quite unpredictable.
D) The air masses in this region are unstable.