Problem:OPTIONS:
- chemical changes
- Cooking
- Enzymes
- Dehydration
- layers of fat
- irradiating
- disease
- electricity

Fact 1: Irradiating food can be used to kill existing microorganisms in the food. Fact 2: Some microorganisms cause meat to spoil. Given the two facts above, _ food can prevent spoilage?
****
A: irradiating

Problem:OPTIONS:
- in flowers
- huddle together
- more than one year together
- By wind and rain
- it helps plants in growing
- nocturally
- individually
- sub-units of species

Fact 1: Insects may live in large colonies and have complex social behaviors. Fact 2: Honey bees are perennial insects with colonies that survive more than one year. Given the two facts above, complex social behaviors can be seen in insects living how?
****
A: more than one year together

Problem:OPTIONS:
- made
- glass
- wool
- support
- fabric
- cotton
- cells
- unique

Fact 1: Some light bulbs convert electricity into light and heat energy. Fact 2: Household light bulbs are evacuated glass enclosures with wires leading to a tungsten filament. Given the two facts above, some what enclosures convert electricity into light and heat energy?
****
A: glass

Problem:OPTIONS:
- Size of ego
- cause people to become sick.
- Rate of energy consumption
- Skill of human
- aerobic capacity
- Plants growth
- Sense of smell
- Helps them grow

Fact 1: Thyroid hormones increase the rate of metabolism in cells throughout the body. Fact 2: Metabolic rate is the rate at which food is burned for energy. Given the two facts above, what do thyroid hormones increase?
****
A:
Rate of energy consumption