*Question*
You are presented with the question "what can be used to make clothing for keeping warm?" and the following answer choices: - cellulose - bamboo - heat - fibrous - otters - energy - chemicals - Loose Now knowing that thick fur can be used for keeping warm and otters fur is the thickest fur of any animal, choose the best answer.
**Answer**
otters

*Question*
You are presented with the question "Faulting of rock in Earth 's crust causes what?" and the following answer choices: - a lot of human deaths - Sudden shaking of the ground. - deadly and devastating - Earth day. - Butter crust. - death and devastation - a hemisphere is tilted away from the sun - Causality. Now knowing that faulting of rock in Earth 's crust causes earthquakes and an earthquake is a sudden shaking of the ground, choose the best answer.
**Answer**
Sudden shaking of the ground.

*Question*
You are presented with the question "What is most often caused by exposure to solid particles and gases?" and the following answer choices: - syphilis - diabetes - contamination - scattered light - lung cancer - hair color - global warming - Pollution Now knowing that lung cancer is most often caused by exposure to tobacco smoke and tobacco smoke consists of solid particles and gases, choose the best answer.
**Answer**
lung cancer

*Question*
You are presented with the question "Space shuttle travelers require what food for extended flights?" and the following answer choices: - layers of fat - short-lived - nutrients - perishable - preserved - little - Proteins - Dehydration Now knowing that astronauts require preserved food for extended flights and astronauts travel into space aboard space shuttles, choose the best answer.
**Answer**
preserved