input with options: Fact 1: The emission of sulfur dioxide causes acid rain. Fact 2: Acid rain effects forest ecosystems. Given the two facts above, what causes damage to forest ecosystems?
OPTIONS:
- flooding
- humans disturb it
- Sulfur dioxide
- deforestation
- Liquid bromine
- Carnivore animals
- Pollution
- Hydrogen peroxide
output: Sulfur dioxide

input with options: Fact 1: Specialization occurs when competing species evolve different adaptations. Fact 2: Genetic variation enables a species to adapt and evolve to new circumstances. Given the two facts above, genetic variation enables?
OPTIONS:
- spread flower seeds
- Most plants
- Plants growth
- Animal survival
- rapid expansion
- Plant reproduction
- animals
- specialization
output: specialization

input with options: Fact 1: Protein is used to repair cells by the human body. Fact 2: Pain in the body indicates there is a wound which requires cell repair and cell regeneration. Given the two facts above, what does wound healing require?
OPTIONS:
- protein
- nutrients
- Enzymes
- food
- blood
- amino acids
- carbohydrates
- cells
output: protein

input with options: Fact 1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins. Fact 2: DNA DNA is deoxyribonucleic acid. Given the two facts above, what contains the instructions for the proteins?
OPTIONS:
- Something that causes allergies
- increases a body's strength
- Your sensory system picks it up
- flow of electrons
- deoxyribonucleic acid
- A Greek letter
- the body's largest organ
- oxidation reaction
output:
deoxyribonucleic acid