Which of the following terms refers to the amount of force exerted over an area of surface?
A. pressure
B. density
C. temperature
D. weight
Answer: A
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What is a positively charged particle that resides in the nucleus core of an atom?
A. Electron B. Isotope C. Neutron D. Proton
A(n) ____________ is a substance composed of identical particles called ______________ that cannot be broken into
simpler substances by chemical means. Fill in the blank(s) with the appropriate word(s).
In post World War II times, the United States, Britain, Australia, and New Zealand have abandoned their colonies in the Pacific region
Indicate whether the statement is true or false
The efficiency of irrigation water use is ________ in most countries. One of the reasons for this is ________.
A. High; the technology to distribute the water where it is needed B. High; the abundance of water C. Low; evaporative losses from unprotected water channeling D. High; the careful use of water because it is so expensive E. Low; the lack of availability of technology to distribute the water where it is needed