Author Question: The first stars formed in the Universe were composed of 90 hydrogen, 10 helium, and very little ... (Read 36 times)

SGallaher96 · **on:** Jul 27, 2018

The first stars formed in the Universe were composed of 90 hydrogen, 10 helium, and very little else.

a. True
b. False
Indicate whether the statement is true or false

Question 2

According to Aristotle, which scenario illustrates violent motion?

a. An apple falling from a tree
b. A mass of warm air rising above hot pavement
c. An arrow moving through the air after leaving the bow
d. A person pushing a car along the street
e. A barrel rolling down a ramp