The difference between open and closed systems is that
A) open systems are not predictable but closed systems are.
B) open systems can acquire matter and energy, but closed systems cannot.
C) open systems are much simpler in terms of the number of interactions between objects in the system.
D) open systems occur on land and closed systems occur in the ocean.
B) open systems can acquire matter and energy, but closed systems cannot.
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Referring to Table 3.3: The air temperature is 45o F, the wind is blowing at 30 MPH, and the
wind chill temperature is 15o F. These conditions would be equivalent to:
a. a 15o F air temperature and 0 MPH winds.
b. a 30o F air temperature and 45 MPH winds.
c. a 30o F air temperature and 15 MPH winds.
d. a 15o F air temperature and 30 MPH winds.
History shows that significant changes to environmental policy usually come from ____.
A. grassroots levels B. regulated industries C. elected officials D. appointed officials E. environmental scientists
How much are global surface temperature expected to increase by the year 2100 if countries come together to use both technology and general environmental controls to decrease emissions?
A) 1°C B) 1.5°C C) 2°C D) 2.5°C E) 3°C
What is NOT one of the landforms associated with karst topography?
A. disrupted surface drainage network B. stalagmite C. collapse sinkhole D. sinkhole E. underground drainage network