When did impressionism, as a movement, begin to fade out as an intellectual school?
a.) end of 17th century
b.) end of 18th century
c.) end of 19th century
d.) end of 20th century

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4