A primary source is better than a secondary source because you know that it is absolutely true and that all aspects of the source are true.
Well, when icebergs melt in Antartica and in Greenland this causes the sea level to rise which creeps up on beaches and can take land and submerge it into water.
Answer:
They needed to look strong enough to work so they would not be killed.
Explanation:
Those sick or too old automatically were taken to these gas chambers, and yes it is how it sounds. A gas chamber was a sealed room that was used for execution by poisonous gas. Some mothers used to pinch their children's cheeks to make sure they looked extra healthy. A horrifying way to die.
