input with options: Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Chlorine bleach is ideal for treating water. Given the two facts above, what can be used to remove harmful substances from water?
OPTIONS:
- chlorine bleach
- Heat energy
- evaporation
- oxygen
- helium
- Electrical energy
- hydrogen
- Calcium carbonate
output: chlorine bleach

Q: Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Molecules are a group of atoms. Given the two facts above, what type of antigens does the immune system recognize as foreign to the body?

OPTIONS:
- animals
- epidermal
- Allergies
- negative
- dangerous
- graptolites
- group of atoms
- homogenous

A: group of atoms

input: OPTIONS:
- sunlight
- tight soil
- Energy.
- loose soil
- Enzymes
- compacted roots
- energy
- compact soil Now, answer this question: Fact 1: The looseness of soil has a positive impact on a plant 's roots' growth in that soil. Fact 2: Air exchange in the root zone is essential for root growth. Given the two facts above, what can enhance a plant's growth?
A:
output: loose soil

Fact 1: Creating paper requires cutting down trees. Fact 2: Saving trees helps stop global warming. Given the two facts above, reducing paper production would directly help stop what international problem?

OPTIONS:
- Greenhouse gases
- obesity
- global warming
- cool summers
- deforestation
- population movement
- antibiotic resistant bacteria
- Greenhouse gasses

Answer: global warming

Problem: OPTIONS:
- Condensation
- gravity
- sunlight
- energy of moving objects
- pot of gold
- rain or sun shine
- bending of light
- h2o
Q: Fact 1: Arainbow is formed by refraction of light by separating light into all different colors. Fact 2: Refraction is the bending of light. Given the two facts above, what is a rainbow formed by?
Answer: bending of light

Fact 1: Secondary meristem is located within and around the vascular tissues. Fact 2: Vascular tissue is a conducting tissue type. Given the two facts above, secondary meristem is located within and around what?

OPTIONS:
- epidermis and dermis
- In their leaves
- location tissue
- conducting tissue type
- Veins and arteries.
- sedimentary rocks
- root canals
- eye sockets

Answer:
conducting tissue type