Fact 1: Fossil fuels are formed from dead organisms over time.  Fact 2: And that energy is generated by burning fossil fuel.  Given the two facts above, dead organisms can create energy after what?

Answer: burning


Fact 1: Earth 's tilt on its rotating axis causes seasons to change.  Fact 2: Seasons are caused by the motion of the Earth around the Sun and the tilt of the Earth's axis.  Given the two facts above, what does axial tilt cause?

Answer: seasons


Fact 1: Humans have collected and grown mushrooms for food for thousands of years.  Fact 2: Mushrooms are also fungi.  Given the two facts above, what have humans have collected and grown for food for thousands of years?

Answer: fungi


Fact 1: Cancer is a disease in which cells divide out of control.  Fact 2: With specific types of gene damage, the cell starts dividing out of control, forming a tumor.  Given the two facts above, cancer and tumors are a result of specific types of:?

Answer: