Problem: Generate a sentence that contains a fact.
Sentence: non-contact forces can affect objects that are not touching

Problem: Generate a sentence that contains a fact.
Sentence: An example of evaporation is a body of water drying up by absorbing heat energy

Problem: Generate a sentence that contains a fact.
Sentence: An example of a mixture is clay mixed together

Problem: Generate a sentence that contains a fact.
Sentence:
natural events usually cause changes to Earth 's surface