Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Water leaves ponds and lakes through evaporation and also as outflow.
Water leaves ponds and lakes through evaporation and also as what?

The mass remains the same does burning matter affect its mass.
How does burning matter affect its mass?

Based on the passage, they may represent individual people is one conclusion archaeologists have reached about the statues.
Based on the passage, what is one conclusion archaeologists have reached about the statues?