Fact 1: Arainbow is formed by refraction of light by separating light into all different colors. Fact 2: Rainbows have colors because water refracts different wavelengths of light slightly differently. Given the two facts above, answer the question "What happens when light hits water?" with the following options: - flow of electrons - massive damage - It gets heated up - Winds are formed - Rainbows are formed - Tornadoes are formed - Heat energy - Hurricanes are formed
Rainbows are formed

Fact 1: Mutations that lead to cancer usually occur in genes that control the cell cycle. Fact 2: Cancer is an example of a mutation in cells. Given the two facts above, answer the question "What usually occur in genes that control the cell cycle?" with the following options: - Leptospirosis - competition - A Greek letter - a mutation in cells - Plant reproduction - biological diversity - resistance - resistance activities
a mutation in cells

Q: Fact 1: Mechanical weathering is when rocks are broken down by mechanical means. Fact 2: Pysical weathering is the mechanical breakdown of rocks. Given the two facts above, answer the question "What is when rocks are broken down?" with the following options: - roof weathering - Plant growth is reduced - brick weathering - Physical weathering - remains of prehistoric life - at or near the margins - home weathering - major threat to health
A: Physical weathering

Question: Fact 1: Cooking food requires adding heat energy. Fact 2: Bacteria are destroyed by cooking heat. Given the two facts above, answer the question "What destroys bacteria in food?" with the following options: - Acids - O3 - heat - cold - water - gases - immune - energy
Answer: heat

*Question*
Fact 1: Prokaryotes are single-celled organisms that lack a nucleus. Fact 2: Inside the nucleus are the genes. Given the two facts above, answer the question "prokaryotes what genes?" with the following options: - grow - HIV - small - stem - SO2 - lack - PDAs - CO 2
**Answer**
lack

*Question*
Fact 1: Phase changes do not change mass. Fact 2: Melting is a phase change. Given the two facts above, answer the question "What does not change during melting?" with the following options: - Solid - Density - energy - vapors - O3 - fats - Mass - Sublimation
**Answer**
Mass