Which of these statements about the sun is accurate?
a.
light from the sun cannot travel outside of the solar system.
b.
the sun is similar in size to a large planet.
c.
the energy produced by the sun comes from nuclear fusion reactions.
d.
the sun has a uniform composition throughout.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

How many moles of al3+ ions are in 1.25 moles of al2o3

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.