Fact 1: All chemical reactions require activation energy to get started. Fact 2: Activation energy is required to overcome the energy barrier. Given the two facts above, what must a chemical reaction overcome before starting?
OPTIONS:
- PV=nRT
- heat or cold
- reactants
- energy barrier
- Dehydration
- harmful substances
- resistance
- temperature

Answer: energy barrier

Question: Fact 1: Energy is used for heating a building by a heating system. Fact 2: Faculty offices are also in the building. Given the two facts above, what contains energy to raise the temperture of an office?
OPTIONS:
- chemical messengers
- peachleaf willow
- deoxyribonucleic acid
- cooling system
- swimming pool
- heating system
- gym
- organic molecules
Answer: heating system

input with options: Fact 1: Most carcinogens cause cancer by producing mutations in DNA. Fact 2: Mutations are changes in the DNA sequence. Given the two facts above, most carcinogens cause cancer by producing changes in what?
OPTIONS:
- harmful substances
- Chlorophyll
- the skin
- the eyes
- organs
- layers of fat
- DNA sequence
- alleles
output: DNA sequence

Q: Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: If it's too cold, some plants freeze and die. Given the two facts above, what organisms are most likely to be saved in the winter by a greenhouse?

OPTIONS:
- snow leopards
- dormant
- plants
- tiny
- skiiers
- whales
- heat
- mussels

A: plants

input: OPTIONS:
- ligt
- humans
- sugar
- liquid
- glucose
- CO 2
- force
- Man Now, answer this question: Fact 1: Blood pressure is highest in arteries and lowest in veins. Fact 2: Blood Pressure Blood Pressure Blood pressure is the force of the blood on the artery walls. Given the two facts above, the what blood is highest in arteries and lowest in veins?
A:
output: force

Question: Fact 1: Producers make food from inorganic molecules. Fact 2: Green plants are producers . Given the two facts above, what makes food from inorganic materials?
OPTIONS:
- animals
- Organic compounds
- burning coal
- bacteria
- agriculture
- plants
- honeybees
- green plants
Answer:
green plants