Apure substance that is made of only one kind of atom is called
a.
an element
b.
an electron
c.
a particle
d.
a proton

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?