How did you score on last week’s quiz?
The answers were: 1. Over one million; 2. 500 years; 3. humus, sand, clay, silt, or gravel; 4. True; 5. (Take a deep breath—this is a long one.) A siliceous volcanic rock that is heated to make it expand and soften. (You’re right if you said something like, “Peat is volcanic glass that is heated until it puffs up.”)
Ready to match wits again? Fall is the time to plant bulbs for spring flowers. Can you identify these? Send us your answers!
6. Bonus points for this one!
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