How can a chemical reaction be sped up? Select from the drop-down menu to correctly complete the statement.
Pack in more of the reactant to increase the .
A) Catalyst
B) Concentration
C) Surface Area
D) Temperature

1.solid

2.carbon dioxide

3.helium

the answer is 1 i believe

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.