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i already posted this; but i just wanted a coupla more opinions. thanks =) i love my best friend; i really do. and its not like she talks about me behind my back or says mean things to me. but shes just really cocky, superficial, and bitchy. shes also beautiful and we have some great times and...

...PLEASE HELP!? What is the name for the substance acted upon by an enzyme? catalyst substance catalog substrate sublime --------------------------------------… What is the dependent variable in this lab? height of gas volume of gas time speed of reaction...