a banana turning brown when exposed to the air is an example of what

I am reebs

they are a heterogeneous mixer vaporization a chemical change an amorphous solid

What are your choices?

Do you understand what those words mean?

What is your answer?

not relly

So -- do you think you need to know their meanings to pass this class?

a I think

yes

heh robots. welp I knew the banana thing was A I was just checkin' see yah! =3

now I'm second guessing mah self....