The answer to your question is alkanes
A cat thinks that you are opening a can of cat food when it hears the can opener.
A dog shying away from a magazine or newspaper, if the owner has used one to swat the dog as punishment.
If humans are ok to use as examples, A child learning that a stove is hot by touching it.
Answer:
B tissue level
Explanation:
B tissue because whatever substance that got into the lungs will cause the tissue to swell up causing an asthma attack
Answer:
The urethra is the tube that carries urine from the bladder to outside of the body.
Explanation:
google said so...