I'm just a normal teenage girl. 15. I have brown hair bright blue "ocean" eyes. I'm 5'2 1/2. I'm skinny but not to skinny, normal skinny. Smart, straight A's thanks to Like's the color blue. Single ( but not quite ready to date yet) I've been super nice and sweet and I've been trying to be kind to everyone and
yet...
I've been alone for 2 years now?
I have no friends who'll talk to me. I try talking to people but no one will stay with me and treat as a friend.
I can't take this lonesome any longer.
Its hard to be alone and it hurts.
Someone please be my friend and talk to me pls.
pls don't fake anything. I can't take the pain any longer from anyone anymore.
please..
I don't have my phone for awhile but talk to me on here.

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv