They are called proteins.
63, C
64 a
65 C
My guess GOODLuck buddy
A substance that modifies the transition state to lower the activation energy is termed a catalyst; a catalyst composed only of protein and (if applicable) small molecule cofactors is termed an enzyme. It is important to note that a catalyst increases the rate of reaction without being consumed by it.
Suffocation due to a bad atmosphere. Being on mars without a space suit will kill you in 2 minutes max. (idk why the gender matters though lol)