Q: Fact 1: Reproduction is the process by which organisms give rise to offspring. Fact 2: Darwin's theory of evolution depends on more offspring than are needed to maintain the species. Given the two facts above, what is reproduction needed for?

OPTIONS:
- fighting
- Quality of life
- sound
- Maintain a species
- Most plants
- entropy
- agriculture
- spread flower seeds

A: Maintain a species

input: OPTIONS:
- four limbs
- an electric stove
- tusks
- snow leopard coats
- animal claws
- beaver tails
- evaporation
- electricity Now, answer this question: Fact 1: Thick fur can be used for keeping warm. Fact 2: Snow leopards coats have thick, dense fur. Given the two facts above, what can be used for keeping warm?
A:
output: snow leopard coats

Fact 1: Plasma cells are activated B cells that secrete antibodies. Fact 2: Antibodies are produced by plasma cells. Given the two facts above, antibodies are produced by activated B cells that do what?

OPTIONS:
- Animal survival
- killing insects
- interact
- secrete them
- migrate
- reproduce
- competition
- Allergies

Answer: secrete them

Problem: OPTIONS:
- fur and fat
- Temperature
- sweating
- Evaporation
- wind
- pressure
- Dehydration
- photons
Q: Fact 1: Friction causes an object to lose energy. Fact 2: Pressure causes friction, and friction causes heat. Given the two facts above, what causes an object to lose energy?
Answer: pressure

Problem:OPTIONS:
- Veins and arteries.
- Most plants
- the body's largest organ
- members of their own species
- wavelengths and photons
- epidermis and dermis
- deoxyribonucleic acid
- peachleaf willow

Fact 1: Cells have multiple repair mechanisms to fix mutations in DNA. Fact 2: DNA DNA is deoxyribonucleic acid. Given the two facts above, cells have multiple repair mechanisms to fix mutations in what?
****
A: deoxyribonucleic acid

Problem:OPTIONS:
- sticks
- truth
- insults
- Pesticides
- chlorofluorocarbons
- Tobacco smoke
- Electrical energy
- forest is destroyed

Fact 1: Lung cancer is most often caused by exposure to tobacco smoke. Fact 2: Lung cancer is the deadliest of all cancers. Given the two facts above, what is very deadly?
****
A:
Tobacco smoke