Q: Fact: bacteria can help digest food in humans
Question: If a person has bacteria in a certain part of their insides, it can help by

A: pulling minerals from nutriment

Q: Fact: scraping an object may cause small particles to break off of that object
Question: if a person used a knife to repeatedly scrape an object, what will happen?

A: the object will decrease in size

Q: Fact: animals taste flavors
Question: What tastes flavors?

A: flamingos

Q: Fact: fertilizers are a source of pollution
Question: What are some of the risks of using fertilizer?

A:
Damaging the planet