fact and question: oil is a source of energy
Question: Which of the following will help my non-electric lawnmower run?

What's the answer?

answer: dinosaur remains

fact and question: An example of combining two substances is pouring one substance into the other substance
Question: An example of a true combination of mixed substances is

What's the answer?

answer: cream and coffee

fact and question: a desert environment is low in availability of water
Question: A sea cow would be most uncomfortable in

What's the answer?

answer: a desert

fact and question: mechanical weathering is when rocks are broken down by mechanical means
Question: mechanical weathering is breaking down what by mechanical means?

What's the answer?

answer:
boulders