Which of these is an example of a conclusion? (2 points) a
ring a bell inside a tank of water

b
listen to the sound produced by a drum

c
sound waves do not travel in a vacuum

d
speed of sound may depend on pressure

How long must a student wait for feedback on how they did on the accuplacer? a. 1 day b. 1 week c. 1 month d. immediate feedback (no wait)

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

In 1919, the temperance movement finally succeeded. they secured ratification of a constitutional amendment (the that banned alcoholic beverages. prohibition began with the 1920 passage of the which enforced the amendment.