Q: How long do the long-lived isotopes require to decay to a safe level in a nuclear reactor? A:
OPTIONS:
- tens of years
- millions of years
- hundreds of years
- thousands of years

Answer: thousands of years

Question: Q: What is measured by the intensity of the sound waves? A:
OPTIONS:
- inputs
- tone
- pitch
- loudness
Answer: loudness

input with options: Q: Melting ice and grinding wood into sawdust are examples of what? A:
OPTIONS:
- chemical changes
- reversible changes
- unpredictable changes
- physical changes
output: physical changes

Q: Q: What emerges from an insect egg? A:

OPTIONS:
- cocoon
- fungi
- parasite
- larva

A: larva

input: OPTIONS:
- knowledge
- reproduction
- shelter
- food Now, answer this question: Q: Consumers are organisms that depend on other organisms for what? A:
A:
output: food

Question: Q: What term describes the overall ability of an animal to survive and produce offspring? A:
OPTIONS:
- change
- evolution
- abilities
- fitness
Answer:
fitness