Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: Water density decreases with temperature and increases with salt content. Given the two facts above, answer the question "What content increases melting points of solids?" with the following options: - salt - Joules - water - fats - heat - glass - sugar - coal
salt

Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Some trees are maples. Given the two facts above, answer the question "what can be planted to have a positive impact on the ecosystem?" with the following options: - maples - Species - plants - soil - seeds - animals - Echinoids - mushrooms
maples

Q: Fact 1: Viruses cause many human diseases. Fact 2: Infectious disease is the leading cause of human death worldwide. Given the two facts above, answer the question "what can cause death?" with the following options: - weathering - chemicals - Cars - respiration - viruses - flooding - digestion - Pesticides
A: viruses

Question: Fact 1: Erosion causes deposition. Fact 2: Desertification implies soil erosion. Given the two facts above, answer the question "Desertification implies what?" with the following options: - contamination - dry conditions - permineralization - soil deposition - Decrease bodily water - humans disturb it - population movement - threatened
Answer: soil deposition

*Question*
Fact 1: Water vapor cooling causes that water vapor to condense. Fact 2: Clouds form by the condensation of water vapor. Given the two facts above, answer the question "what are clouds formed from?" with the following options: - water vapor - oxygen - Heat energy - heating liquids - evaporation - carbon dioxide - air - boiling
**Answer**
water vapor

Fact 1: Microorganisms can cause infections. Fact 2: Bacteria are microorganisms that exist everywhere. Given the two facts above, answer the question "What can cause infection?" with the following options: - bacteria - seeds - influenza - disease - horses - viruses - chickenpox - bladders
bacteria