Q: You are presented with the quiz "What happens as cells lose their ability to divide?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "aging occurs as cells lose their ability to divide" and "gerontology is the study of the aging process and old age". So, what's the best answer to the question? | OPTIONS:
- anemia
- puberty
- negative
- radiation
- getting old
- replication
- Dehydration
- having a baby
A: getting old

Q: You are presented with the quiz "What will decrease the melting point of a liquid?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adding salt to a liquid decreases the melting point of that liquid" and "salinity A word describing the salt content of a liquid". So, what's the best answer to the question? | OPTIONS:
- Heat energy
- Dehydration
- layers of fat
- Physical weathering
- chlorofluorocarbons
- chemical changes
- chemical reaction
- Higher salinity
A: Higher salinity

Q: You are presented with the quiz "What is left over when salty water is heated?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "heating salt water causes the water to evaporate while the salt remains" and "for example, in salt water, salt is the solute and water is the solvent". So, what's the best answer to the question? | OPTIONS:
- Time and energy
- nutrients
- Sediment
- energy
- bacteria
- Energy.
- loose soil
- The solute
A: The solute

Q: You are presented with the quiz "What grows into the soil to absorb water and minerals? " But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most plants grow roots down into the soil to absorb water and minerals" and "beets and carrots are the roots of plants". So, what's the best answer to the question? | OPTIONS:
- NaCl
- vegetation
- burrs
- Trees
- grass
- Carrots
- Conifers
- potatoes
A: Carrots