practice exame with answers 9.26.07

practice exame with answers 9.26.07 - The graph below shows...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
The graph below shows the trend over time in three quantities on Easter Island: the number of people, the quantity of food produced, and the percent of original forest cover that remains. 1. Which curve describes the quantity of food produced? A. A B. B** C. C 2. Which describes the relationship between curves A and C? A. Resilient behavior B. Synergistic behavior C. Lagged behavior** D. Spatial behavior 3. Radioisotopes A. are chemical forms of energy B. do not naturally occur on the Earth C. spontaneously emit matter and/or rays with high energy ** D. produce changes in the form of matter that are associated with acid deposition 4. The Second Law of Thermodynamics: A. states that energy is neither created or destroyed B. states that all energy conversions are less than 100% efficient ** C. states that energy can be recycled only under special conditions D. states that in all energy conversions, energy is spontaneously converted from high entropy to low entropy 5. The First Law of Thermodynamics: A. states that energy is neither created or destroyed ** B. states that all energy conversions are less than 100% efficient C. states that energy can be recycled only under special conditions D. states that in all energy conversions, energy is spontaneously converted from high entropy to low entropy 6. The conversion of H2O from ice to a liquid is A. a physical change** B. a nuclear change C. a radioactive change
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
D. combustion E. photosynthesis 7. Natural processes that regulate conditions in the environment in such a way that makes life possible. This statement describes A. pollution B. environmental services** C. the production of goods and services D. ecological footprints 8. Treated water from sewage treatment plant is usually released into a river, a lake, or the ocean. This is an example of A. waste assimilation** B. the depletion of renewable natural capital C. recycling D. the depletion of nonrenewable natural capital E. none of the above describes the process 9. Which statement (s) is (are) characteristic of gradients? A. They are created by energy use B. They are governed by the principle of entropy C. They can be used to describe the difference in order between parts of a system D. They are the reason why molecules spontaneously move from an area of high concentration to low concentration E. All of the above ** Use the following choices for the next 2 questions. a. high energy, short wavelength
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/07/2008 for the course GE 100 taught by Professor Cleveland during the Fall '07 term at BU.

Page1 / 13

practice exame with answers 9.26.07 - The graph below shows...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online