The hair hygrometer:
A) uses hairs from dogs, usually golden retrievers.
B) takes advantage of the ability of hair to respond to changes in humidity.
C) was popular in the nineteenth century, but is no longer used today.
D) requires swinging the instrument around one's head for at least a minute.
Answer: B
You might also like to view...
Which of the following statements about the Aral Sea is false?
a. Water has been diverted from the Aral Sea and the two rivers that replenish its water for use in manufacturing. b. The volume of the Aral Sea has dropped by 90%. c. The salinity levels have risen dramatically. d. Most native fish species have disappeared. e. Salts carried by the wind from the dried up lake basin are negatively impacting local crops.
The Antarctic Treaty established that
A) states may establish research stations in Antarctica, but militaries are not permitted. B) countries can submit claims to Antarctica until 2009. C) Argentina, Chile, and the United Kingdom claimed portions of Antarctica. D) Russia and Argentina have claimed portions of Antarctica.
All solar energy on Earth is a result of a reaction of hydrogen atoms combining to form helium. This reaction
A) increases the combined mass of the products. B) represents a fusion reaction followed by nuclear fission. C) is the same general process that occurs in nuclear plants. D) is fusion, while nuclear plants rely on fission.
An ice shelf forms when a glacier extends out over water.
a. true b. false