1. Organism
2. An organ is a part of an organism that has a specific function and is self-contained. An organ system is a group of organs that work together in order to function.
3 and 4 depend on the organ system you are working on.
Answer:
Oxygen tanks should be stored in a stand or cart to prevent tipping and falling. Store extra, unsecured tanks by placing them flat on the floor. Do not allow tanks to stand or lean in an upright position while unsecured. DO NOT store oxygen systems in unventilated areas such as closets or cabinets.
Since there is no choices, I'm assuming it's an opinionated question. The best way would be to talk to them face to face. Upfront talks are better even if they may be scary or intimidating. Hope this helps!
The correct answer is D. by perspiration.