5 Part A
What is the author's primary purpose
(a)
in writing "Mapping the Invisible"?
А
to explain the success some scientists are having in their work on dark
matter
B
to explain why scientists believe that it is becoming easy to understand
dark matter
ht
to explain that scientists have been researching what they think dark
matter is
10
D
to explain which scientists are most responsible for new discoveries about
dark matter
.ch
to
the
(6)

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.

ankara s dndkslqnebd

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia

answer: librarians is the correct word.