input: OPTIONS:
- solid, liquid, gas
- density
- Something that causes allergies
- deoxyribonucleic acid
- It helps them survive
- inheritance
- blood cells
- allow growth Now, answer this question: You are presented with the quiz "chromosomes are coiled structures made of proteins and what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chromosomes are coiled structures made of DNA and proteins" and "dNA is deoxyribonucleic acid". So, what's the best answer to the question?
A:
output: deoxyribonucleic acid
You are presented with the quiz "what are used for moving people?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "transportation technology is used for moving people" and "transportation technology is built around the vehicle". So, what's the best answer to the question?

OPTIONS:
- vehicles
- bicycle
- Limbs
- rivers
- volume
- lions
- electricity
- density

Answer: vehicles
Problem: OPTIONS:
- Calcium carbonate
- carbon dioxide
- fossil fuels
- clouds
- peachleaf willow
- space
- calcite
- sunlight
Q: You are presented with the quiz "What is used for generating heat by burning?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "coal is used for generating heat by burning" and "like coal, petroleum is a fossil fuel". So, what's the best answer to the question?
Answer: fossil fuels
Problem:OPTIONS:
- to use resources
- organisms produce offspring.
- sub-units of species
- things don't die
- the Earth being tilted
- production of energy
- to keep going
- by keeping them warm

You are presented with the quiz "Why does life continue?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "reproduction is the process by which organisms give rise to offspring" and "life continues because of reproduction". So, what's the best answer to the question?
****
A: organisms produce offspring.
You are presented with the quiz "What do some female mammals lack?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "female monotremes lack a uterus and vagina" and "monotremes are mammals that lay eggs". So, what's the best answer to the question?
OPTIONS:
- epidermal
- vision
- uterus
- alleles
- fur
- a cuticle
- eardrum
- alveoli
uterus
You are presented with the quiz "What kind of life cycle do desmids have?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "algae have varied life cycles" and "desmids are green algae, members of the Chlorophyta". So, what's the best answer to the question?
OPTIONS:
- allow growth
- Leptospirosis
- varied life cycle
- solid, liquid, gas
- Veins and arteries.
- immortal
- fixed life cycle
- static life cycle

Answer:
varied life cycle