The existence of land bridges was used to dispute continental drift
Answer: If a cell has the ability to take in water, food molecule, and other necessary materials this indicates it is capable of nutrition. The answer can not be digestion or absorption because it's a term that talks about multicellular beings.
Platelets would help the blood clot, therefore preventing blood loss. White Blood Cells would help protect against infection. So, I believe the answer would be platelets & white blood cells.
1. The bottle left in the sun is exposed to the thermal energy which causes it to heat up. Ice is cold and the bottle is in direct contact with the ice.
2. Its harder for cold winds to get through to you when theres 3 or even 4 layers of clothing on your body than one thick one.
3. Common Sense?... the rug is thick and the tile is... a tile