The law of conservation of energy states that energy is created or destroyed under ordinary conditions, but it may not be changed from one form to another

Indicate whether the statement is true or false.


Answer: FALSE

Environmental & Atmospheric Sciences

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The main problem with use of conventional natural gas as a transportation fuel is

a. the expensive engine modifications required to convert an automobile for use of natural gas b. the fact that it has higher CO2 emissions than gasoline produced from conventional oil c. the very low reserves, which could supply U.S. needs for less than 25 years d. the fact that not many fueling stations exist at present e. it can only be obtained by fracking

Environmental & Atmospheric Sciences

Which of the following is considered a softcopy map?

A. a map to be posted on the Internet B. a map to be used in a PowerPoint presentation C. a printed map D. both a map to be used in a PowerPoint presentation and a map to be posted on the Internet E. both a map to be posted on the internet and a printed map

Environmental & Atmospheric Sciences

Deviations from the average strength of Earth’s present-day magnetic field are called

____________________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

In China, reforestation projects have been undertaken to

A. return the buffalo to the North China Plain. B. replant the rainforest in southern China. C. diminish water pollution in the Yangze River. D. halt encroachment of the Gobi and Taklamakan Deserts.

Environmental & Atmospheric Sciences