Here you go infant, the answers for the Earth Science review work.
Normally subcutaneous or injections just below the skin, may be at a 45 degree angle. However this is more dependent on the length of the needle, as depending on the length the injection may become Intramuscular or injections into the muscle.
Bread, walls, entire bathrooms
Answer:
Staphylococcus aureus (staph) bacteria.