If turnips have primary and secondary meristems for growth in length and width, then what do turnips use to grow in length and width? Answer choices: - epidermal - light energy - Energy. - bacteria - meristem - fungi - viruses - Energy
meristem

If plants require sunlight in order to take over an area, then what requires sunlight in order to take over an area? Answer choices: - spores - fish - plants - humans - pods - Oak - opossums - coral
plants

Q: If when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering, then when ice causes rocks to crack by expanding in openings, what is this called? Answer choices: - In the winter - smoking - icing - fissures of hot, acidic water - mechanical weathering - graptolites - Inches or fractions of inches. - rocking
A: mechanical weathering

Question: If dogs use hearing to sense sound, then how do dogs sense sound? Answer choices: - Heart rate - observe it - sight - hormones - waves - touch - hearing - smell
Answer: hearing

*Question*
If erosion can break rocks and cause debris, then what can break rocks and cause debris? Answer choices: - sand - trees - erosion - wind - Surf - Earthworms - flooding - rivers
**Answer**
erosion

If producing heat causes air pollution, then what causes air pollution? Answer choices: - Smoking - cigarettes - producing heat - Electrical energy - oxygen - chemical reaction - wind turbines - clouds
producing heat