If ferns require sunlight for photosynthesis, then what requires sunlight for photosynthesis? Answer choices: - roots - rice - sugar - caterpillars - humans - thermometer - ferns - trees
ferns

If water is best when an animal needs to hydrate, then what is the ideal liquid to hydrate an animal? Answer choices: - fats - coffee - milk - Water - sodium - salts - juice - oxygen
Water

Q: If cooking meat requires adding heat energy, then what requires adding heat energy to cook? Answer choices: - edible - corn - apples - coffee - making - trout - sugar - meat
A: meat

Question: If carbon monoxide is a gas produced by burning propane, then what gas is produced by burning propane? Answer choices: - Greenhouse gases - Sulfur dioxide - gasoline - Carbon monoxide - hydrocarbons - carbon dioxide - dangerous - heating liquids
Answer: Carbon monoxide

*Question*
If ice crystals are formed when a neutral atom loses an electron, then ice crystals are formed when a neutral atom does what? Answer choices: - adding heat - vaporization - flow of electrons - loses an electron - It remains dormant - It gets heated up - heating liquids - evaporation
**Answer**
loses an electron

*Question*
If limestone contains carbon, then what is in limestone? Answer choices: - abrasion - fossils - an anion - acid - nitrogen - gypsum - carbon - NaCl
**Answer**
carbon