Answer:
Warm air rises, creating a low pressure zone; cool air sinks, creating a high pressure zone.
The heads of phospholipids are hydrophilic while the tails are hydrophobic
Answer:
The function of the appendix is unknown. One theory is that the appendix acts as a storehouse for good bacteria, “rebooting” the digestive system after diarrheal illnesses. Other experts believe the appendix is just a useless remnant from our evolutionary past.
The answer to this one is D