What system facilitates the movement of water between spheres through the process of transpiration? a.geosphereb.hydrospherec.atmosphered.biosphere
Which system protects us from radiation and the vacuum of space? a.geosphereb.hydrospherec.atmosphered.biosphere
The hydrosphere does not overlap with any other spheres.
Which of the following best explains why the biosphere is a key component of the Earth’s systems?a.The biosphere is a key component of the Earth’s systems because it is a common concept to many disciplines in science.b.The biosphere is a key component of the Earth’s systems because the seasonal cycles directly affect primary productivity.c.The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.d.The biosphere is a key component of the Earth’s systems because it has evolved to create the chemical composition of the planet we know today.
Which is not an example of an earth system cycle?a.seasonsb.tsunamisc.food webd.day and night
What system includes oceans, lakes, rivers, and groundwater? a.geosphereb.hydrospherec.atmosphered.biosphere
What system includes the core, mantle, and crust of the Earth? a.geosphereb.hydrospherec.atmosphered.biosphere
What is the main difference between negative and positive feedback?a.Positive feedback leads to system instability, while negative feedback leads to system stability.b.Positive feedback is caused by human impact, while negative feedback occurs naturally.c.Negative feedback ultimately leads to an increase in the first variable, while positive feedback ultimately leads to a decrease in the first variable. d.Positive feedback occurs at a much faster rate than negative feedback.
Human impact on one system leads to changes in more of Earth’s systems.
What is the main energy source that drives global climate?a.solarb.windc.mechanicald.heat
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