Question:
Use evidence from the fact that An example of protecting the environment is creating protected areas to answer the following question. "A protected environment will probably be"

Answer:
fenced

Question:
Use evidence from the fact that treating water is used to remove harmful substances before drinking to answer the following question. "Which is likely to still be in water after treatment?"

Answer:
harmless dissolved rocks

Question:
Use evidence from the fact that cooking food requires adding heat energy to answer the following question. "How should John proceed with eating the fish he just caught?"

Answer:
striking flint over kindling and placing the fish above it