A collection of languages that share a common origin but have since evolved into individual languages is a
A) dialect.
B) language branch.
C) language family.
D) language group.
E) language root.
Question 2
A number of lakes in North America no longer have fish in them. One reason for this is:
A) carbon monoxide dissolves in the water and makes it toxic.
B) the hole in the ozone layer has allowed too much UV to penetrate the water.
C) acid rain has made the water more acidic, causing it dissolve toxic aluminum from the soil.
D) acid rain falling directly onto fish kills them instantly.
Head rubbing and licking are common social behaviours within a pride
Amazing NASA Pictures Collection
Primatologist Volker Sommer and his colleagues showed that langur infanticide had adaptive value and
Common Prefixes Cont.
Common Root Words and Combining Forms Cont.
Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources