Kim and Jane inherited some land. Kim inherited some grassland, while Jane inherited a forest. They both took good care of their properties. Which person inherited a parcel where leaves are the principal source of soil organic matter?
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Answer: Jane

The biologists found out that the Indian Ocean had a lower water pH than it did a decade ago, and it became acidic. The water in the Arctic ocean still had a neutral to basic pH. Which ocean lost fewer shellfish because of its acidity?
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Answer: Arctic

two buildings had different tenants. Building Y had many seniors over 65 years of age, and building X had individuals under 65 years old. Which building had fewer people that reached old age?
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Answer:
building X