1
which of the following provides an
owing provides an example of sound waves being reflected?
a.
faring music being played by a neighbor's stereo through a wall
b
water in a glass vibrating because of the sound of thunder
c
a noise that produces an echo when it bounces off a distant wall
d
the sound of a distant train getting louder as it approaches an observer

Which of the following is not among the root causes of poverty in the united states? size of family disabilities advanced degrees underemployment

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the

Which is the best conclusion that can be drawn regarding the status of african-americans in the south in the late 1800s? a) african-americans made tremendous political, social, and economic advancements during the reconstruction era. b) passage of the 13th, 14th, and 15th amendments to the u.s. constitution guaranteed equal status and rights for all african-americans. c) the reconstruction policies enacted by the federal government were highly effective in african-american citizens transition to life after slavery. d) although african-americans had equal rights under federal law they were still economically, politically, and socially inferior to whites in the south during the reconstruction era.