A shallow saltwater body cut off from the ocean by a bay barrier is known as a
A) barrier spit. B) lagoon. C) tombolo. D) baymouth bar.
B
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The International Whaling Commission moratorium on commercial whaling was imposed in 1986 . Following this:
a. Worldwide commercial whaling was completely eliminated. b. There was no change in the number of whales killed outside U.S. waters. c. Whale killing declined, and only 1,400 whales were killed in 2008, compared to over 42,000 in 1970 . d. Even Japan stopped commercial whaling. e. Commercial whaling actually increased in some areas outside the U.S.
The dominant colonial power that unified South Asia into a single political system were the
A) British B) Russians C) French D) Chinese E) Dutch
Markovnikov's rule is not useful for predicting the outcome of the reaction of hydrogen chloride with which of the following alkenes?
A) 1-butene B) 2-butene C) 2-methylpropene D) 1-pentene
Trimethylamine, ethylmethylamine, and propylamine are constitutional isomers. Based on their shapes and hydrogen bonding ability, which of the following is true regarding their boiling points?
A) They all have very nearly the same boiling points, so it is hard to predict the order. B) The predictions based on shape are opposite to those based on hydrogen bonding considerations, so it is hard to predict the order. C) propylamine < ethylmethylamine < trimethylamine D) propylamine > ethylmethylamine > trimethylamine