*Question*
If gravity pulls down objects that have mass on a celestial body, then what causes objects to be pulled down on a celestial body? Answer choices: - power - friction - black hole - wind - gravity - orbit - earth - eclipse
**Answer**
gravity

*Question*
If organisms cluster around the heat of submarine volcanoes, then what clusters around the heat of submarine volcanoes? Answer choices: - ferns - organisms - vegetation - humans - emissions - Energy - insects - the sun
**Answer**
organisms

*Question*
If many species rely on sound, then what do species rely on to talk? Answer choices: - Frogs - energy - language - hands - squids - feet - Frogs. - sound
**Answer**
sound

*Question*
If breaking apart rocks can cause construction clean up, then breaking rocks apart can cause what? Answer choices: - Damages them - construction clean up - fissures of hot, acidic water - looseness of dirt or compost - harmful substances - permineralization - forest is destroyed - the Great Barrier Reef
**Answer**
construction clean up