Problem:OPTIONS:
- fungi
- insects
- influenza
- Leptospirosis
- bacteria
- ferns
- mammals
- acetic acid

Fact 1: Viruses cannot reproduce by themselves. Fact 2: Influenza Virus Influenza viruses make up the family Orthomyxoviridae. Given the two facts above, what cannot reproduce by themselves?
****
A: influenza

Problem:OPTIONS:
- HPV
- lung
- AIDS
- corn
- plants
- humans
- mitosis
- HIV

Fact 1: Populations of viruses do not grow through cell division because they are not cells. Fact 2: HIV, like other viruses, needs a host to survive. Given the two facts above, what populations do not grow through cell division because they are not cells?
****
A: HIV

Problem:OPTIONS:
- water vapor
- element
- salt and water.
- heater
- evaporation
- fur and fat
- aqueous solution
- sheet

Fact 1: When the body is hot , sweat is produced to cool the body. Fact 2: Sweat is released from sweat glands beneath the skin, and as it evaporates, the skin is cooled. Given the two facts above, what is used to cool the body when it is hot?
****
A: evaporation

Problem:OPTIONS:
- layers of fat
- electricity
- food
- focusing a lens
- shadows
- dolphins
- Light bulbs
- pets

Fact 1: Alight bulb is used for seeing in the dark. Fact 2: Humans are unable to see clearly in the dark. Given the two facts above, what helps humans see?
****
A:
Light bulbs