Oxygen and air are? Abiotic or biotic 

oxygen and air are abiotic

Oxygen and air are both abiotic because they do not have carbon atoms, therefore they are non living substances.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

creative diagnostics provides a protocol for total protein extraction based on ripa which is widely used.