Q: Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids. Fact 2: Furthermore, antibody levels decrease with time. Given the two facts above, passive immunity decreases with?

OPTIONS:
- ozone depletion
- edema
- passive-aggressive behavior
- stellar implosion
- stress
- HIV
- time
- death

A: time

input: OPTIONS:
- roots
- humans
- carnivores
- cacti
- animals
- people
- algae
- plants Now, answer this question: Fact 1: Many consumers feed at more than one trophic level. Fact 2: Carnivores are consumers which eat animals or other consumers. Given the two facts above, many what feed at more than one trophic level?
A:
output: carnivores

Fact 1: Conserving resources has a positive impact on the environment. Fact 2: Use of resources affects the environment such as pollution. Given the two facts above, how do you reduce pollution?

OPTIONS:
- igniting fuel and oxidiser
- transportation technology
- wasting
- not recycling
- burning fossil fuels
- converting electricity to heat
- water conservation
- using less resources

Answer: using less resources

Problem: OPTIONS:
- growth
- water vapor
- ice
- Energy.
- bloom time
- survival
- Energy
- hurricanes
Q: Fact 1: Aplant requires food for survival. Fact 2: Food is the ideal source of nutrients. Given the two facts above, what do plants require nutrients for?
Answer: survival

Problem:OPTIONS:
- air mass over Earth's surface
- movements in the earth's crust
- The bending of a ray of light
- Movement of an air mass
- pressure differences.
- Physical weathering
- looseness of dirt or compost
- remains of prehistoric life

Fact 1: Sand dunes are formed by the wind transporting and depositing sand. Fact 2: Winds are caused by pressure differences. Given the two facts above, sand dunes can be formed by?
****
A: pressure differences.

Problem:OPTIONS:
- ducks
- h2o
- clouds
- toads
- bacteria
- insects
- foxes
- animals

Fact 1: Courtship is behavior that is intended to attract a mate. Fact 2: Foxes are monogomous and mate for life. Given the two facts above, what exhibits courtship as a behavior?
****
A:
foxes