**Q**
Is the following a factual statement?
"Leo Tolstoy emigrated to Australia in his youth and wrote his most famous works there."
Options:
- yes
- no
**A**
no
Leo Tolstoy did not travel to Australia and spent his life in Russia.

**Q**
Is the following statement true?
"There are plants in your back yard that contain Aloe vera."
**A**
yes
Technically they are not in everyone's back yard but are very common.

**Q**
Is the following statement true?
"The Viscosity of liquids cannot be modified with temperature."
**A**
no
Heating liquids seems to decrease their viscosity temporarily.