Q--Can chemicals in onion help create a thermonuclear bomb?
A--My step-by-step reasoning: A thermonuclear bomb, also called a hydrogen bomb, uses hydrogen under high temperatures to create an explosive reaction. While chopping onions, cells inside the onion are broken and the gas that comes out forms sulfenic acid. Sulfenic acid is composed of several elements including hydrogen.
So, the answer is yes.

Q--Is All Purpose Flour safe for someone who has celiac disease?
A--My step-by-step reasoning: All purpose flour has about 9% gluten in it. When someone with Celiac disease eats gluten, their body has an immune response that attacks their small intestine.
So, the answer is no.

Q--Do people take laxatives because they enjoy diarrhea?
A--My step-by-step reasoning: People take laxatives to relieve constipation and associated pain. People with eating disorders take laxatives to lose weight.
So, the answer is no.

Q--Can 200 men end to end cover Great Pyramid of Giza's base?
A--
My step-by-step reasoning: The base of the Great Pyramid of Giza is 756 feet long. The average height of a man is 5 foot 9.
So, the answer is yes.