Which of the following cycles does not involve living organisms?a.carbon cycleb.oxygen cyclec.rock cycled.nitrogen cycle
Which system serves as the interface between the other spheres? a.geosphereb.hydrospherec.atmosphered.biosphere
Which of the following can be natural sources of water pollution? a. volcanic activity b. earthquakes c. algae blooms d. all of the above Please select the best answer from the choices provided
__________ helps organisms transport nutrients. a. Soil b. Sap c. Water d. Wind Please select the best answer from the choices provided
What device can be used to make measurements globally?a.rain gaugeb.buoyc.satellited.thermometer
How is nitrogen returned to the atmosphere during the nitrogen cycle?a.It is returned to the atmosphere in a process called nitrogen fixation.b.It is returned to the atmosphere through denitrification.c.It is returned to the atmosphere through cellular respiration.d.It is returned to the atmosphere through evapotranspiration.
A large portion of precipitation in the rainforest occurs as a result of _______.a.perspirationb.respirationc.oxidationd.transpiration
Which of the following cycles is crucial to living organisms? a. phosphorus b. water c. carbon d. all of the above Please select the best answer from the choices provided
The sun is the ultimate source for energy on the Earth.
Which of the following statements about the interaction of Earth’s systems is true?a.The interaction between Earth’s systems is limited to a response to human activity.b.The Earth’s system interact using positive feedback only.c.The Earth’s systems interact using negative feedback only.d.All of the Earth’s systems interact with each other.
Carbon in the ocean originates from the atmosphere.
How are the carbon, oxygen, and nitrogen cycles vital to sustaining life on Earth?a.Carbon, oxygen, and nitrogen are vital components of life on Earth.b.The carbon, oxygen, and nitrogen cycles allow vital elements to return to usable form by organisms.c.The carbon, oxygen, and nitrogen cycles are an important interface between biotic and abiotic factors.d.All of the above are reasons the carbon, oxygen, and nitrogen cycles are vital to life on Earth.
How does water enter the atmosphere? a. Liquid water evaporates from lakes when heated by the sun. b. Frozen water sublimates from ice and snow. c. Liquid water is lost from tree leaves during evapotranspiration. d. All of the above. Please select the best answer from the choices provided
The amount of sunlight received at Earth's surface fluctuates more at the poles than the equator.
According to the GLOBE maps viewed online, it can be inferred that solar energy is not the only factor affecting average global temperature because _______. a. the area between the equator and pole have distinct seasons that switch back and forth as the Earth orbits around the sun b. the south pole experiences mild temperature fluctuations with large variations in solar energy while the opposite is true for the north pole c. the poles have extremes in the level of solar energy and extremes in temperature d. a and c Please select the best answer from the choices provided
How are the carbon, nitrogen, and oxygen cycles similar?a.They are all biogeochemical cycles.b.They all involve an interaction between living and nonliving elements.c.They are all part of the Earth system.d.All of the above.
What role do aquifers play in the water cycle? a. They store water in the ground. b. They transfer water to the air. c. They are the main source of water on Earth. d. They move water through capillarity. Please select the best answer from the choices provided
Trees obtain carbon from _______.a.decaying organismsb.sunlightc.the atmosphered.none of the above
Cycles are essential to all living organisms.
The atmosphere is unaffected by changes in the geosphere.
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