Problem:OPTIONS:
- illness
- Staphylococcus
- cigarettes
- Influenza
- Leptospirosis
- bacteria
- E. coli
- Streptococcus

Fact 1: Viruses are usually considered to be nonliving. Fact 2: Influenza Virus Inluenza virus are negative-strand RNA viruses with a segmented genome. Given the two facts above, what is considered to be nonliving?
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A: Influenza

Problem:OPTIONS:
- a cuticle
- orchids
- parasites
- alveoli
- ferns
- bacteria
- epidermal
- Mushrooms

Fact 1: Fungi have special structures for penetrating a host. Fact 2: Mushrooms are an example of fungi. Given the two facts above, what have special structures for penetrating a host?
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A: Mushrooms

Problem:OPTIONS:
- bacteria
- sodium
- lipids
- cold
- gas
- sugar
- cooled
- dust

Fact 1: Arefrigerator is used for keeping food fresh for a long period of time. Fact 2: Refrigerator is too cold. Given the two facts above, what keeps food fresh?
****
A: cold

Problem:OPTIONS:
- Earthworms
- sea urchins
- Freezing and thawing
- Calcium carbonate
- Compaction
- mechanical
- Sedimentation
- Cementation

Fact 1: Weathering means breaking down rocks from larger whole into smaller pieces by weather. Fact 2: Climates with freeze and thaw promote mechanical weathering. Given the two facts above, what can can break down rocks from larger wholes into smaller pieces?
****
A:
Freezing and thawing