input: OPTIONS:
- question their methods
- develop a completely different experiment
- study their work
- replicate their work Now, answer this question: Q: What might a scientist do to confirm the work of another? A:
A:
output: replicate their work

Q: Cutting forests and clearing land has also increased the amount of what in the atmosphere? A:

OPTIONS:
- oxygen
- smog
- pesticides
- carbon dioxide

Answer: carbon dioxide

Problem: OPTIONS:
- alter directions
- opposite direction
- same direction
- random directions
Q: Q: As per the kinetic-molecular theory, in what direction do the molecules and ions of liquids move? A:
Answer: random directions

Problem:OPTIONS:
- methyl acid
- amino acid
- polymer acid
- acetic acid

Q: What is the more common term for ethanoic acid, the active substance in vinegar? A:
****
A: acetic acid

Q: Specific scents are often associated with what? A:
OPTIONS:
- pheromones
- behaviors
- instincts
- memories
memories

Q: What are commonly used to control insect pests, but can have harmful effects on the environment? A:
OPTIONS:
- toxins
- fertilizers
- Herbicides
- insecticides

Answer:
insecticides