How do members of different ethnic groups in west and central africa communicate?
a. sign language people of different ethnicities communicate.
b. members of different ethnic groups do not communicate.
c. those of different ethnic groups must find an interpreter.
d. most people of these regions have the ability to speak several languages.

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

If the basis of an isosceles trapezoid have lengths of 11 and 26, what is the length of the median?

Which of these fragmental sedimentary rocks would most likely form farthest from the land?