If vineyards are vertically trellised to promote plant growth, then to promote plant growth, vineyards are often? Answer choices: - Converted sugar - Earthworms - covered with mud - one celled organisms - open for wine tours - vertically trellised - important habitats - shielded from pollinators
vertically trellised

If humans require water for survival, then what requires water for survival? Answer choices: - bamboo - air - pigeons - omnivores - oxygen - humans - books - bushes
humans

Q: If exposure to air pollution can harm the lungs, then which type of pollution is most harmful to lungs? Answer choices: - Lead - air - Cars - oil - acid - CFCs - SO2 - mold
A: air

Question: If white vinegar is formed by one substance being dissolved in another substance, then what is formed by one substance being dissolved in another substance? Answer choices: - patch reefs - hydrogen and oxygen - organic molecules - a hydraulic system - calcite - white vinegar - Calcium carbonate - salinity
Answer: white vinegar

*Question*
If aswitch is used to complete an electrical circuit, then what is a purpose of a switch in an electrical circuit? Answer choices: - to reduce magnetic effects - heat production - to annihilate electrons - preventing heat transfer - direct energy - to complete the circuit - heat is produced - to circumvent resistors
**Answer**
to complete the circuit

If aplant requires water to live longer, then aplant requires what to live longer? Answer choices: - trees - eggs - energy - water - oxygen - peroxide - Energy. - growth
water