Which statement from the passage gives concrete, scientific evidence to support the claim that acne can be combated?

Aschool principal trying to find out if parents will buy new playground equipment shows digital leadership by

How much hazardous chemical waste is produced per year in the us? a) 25 million metric tons b) 100 million metric tons c) 250 million metric tons d) 700 million metric tons e) 950 million metric tons

When members of congress must vote on a bill that is nonideological of one on which they have no specific position what are the most powerful influences