To induce someone to convert to one's own religious faith is to a. proselytize
b. advocate
c:baptize
d. confirm

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

Can someone me with this plz? ! i'm putting 20 points on it!

What are economic benefits of building dams