Which one of the following foods is a common source of phospholipids?
a. egg yolks
b. egg whites
c. tomatoes
d. carrots

How do you convert 4 mmol of bromobenzene to ml?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.

The process by which liquid water changes into water vapour is called what ?