Fact 1: Acactus stem is used for storing water. Fact 2: Drink lots of water for hydration. Given the two facts above, answer the question "What can be used for hydration?" with the following options: - tree bark - leaf - fur and fat - Heat energy - Calcium carbonate - tree branch - mussels - a cactus stem
a cactus stem

Fact 1: Reproduction is the process by which organisms give rise to offspring. Fact 2: Flowers are a plant's reproductive organs. Given the two facts above, answer the question "What do plants produce offspring with?" with the following options: - stems - seeds - leaves - roots - bees - white - flowers - food
flowers

Q: Fact 1: Rest has a positive impact on a health. Fact 2: Then the bull sits down to rest. Given the two facts above, answer the question "Sitting down has a positive impact on what?" with the following options: - plants - growth - health - mobility - motion - animals - people - movement
A: health

Question: Fact 1: Populations of viruses do not grow through cell division because they are not cells. Fact 2: Where most viruses are DNA, HIV is an RNA virus. Given the two facts above, answer the question "What does not grow through cell division?" with the following options: - p53 - AIDS - host - DDT - lung - HIV - corn - HPV
Answer: HIV

*Question*
Fact 1: An incandescent light bulb converts electricity into light by sending electricity through a filament. Fact 2: Fiber optics works by carrying light along hair-thin filaments of glass. Given the two facts above, answer the question "an incandescent light bulb converts electricity into light by sending electricity through what?" with the following options: - hair-thin molecules - hair-thin spokes - epidermis and dermis - hydrogen and oxygen - activation energy - an electron lens - hair-thin hairs - hair-thin fibers of glass
**Answer**
hair-thin fibers of glass

(Q).
Fact 1: Hydrogen bonds cause water to expand when it freezes. Fact 2: Water is made up of H2O molecules. Given the two facts above, answer the question "what does hydrogen bonds cause to expand when it freezes?" with the following options: - oxygen - atomic bombs - rain - NaCl - H20 - lake - hydrogen - h2o
(A).
h2o