The negative ion found in bases is the
select one:
a. hydroxide ion
b. water ion
c. hydrogen ion
d. carbonate ion

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

Apush or pull that moves or changes and object when to objects touch

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green