input with options: Q: During what are deletions and duplications especially likely to occur? A:
OPTIONS:
- nucleus
- endothermia
- electrolysis
- meiosis
output: meiosis

Q: Q: What is the term for a disturbance in matter that causes the transfer of energy from place to place? A:

OPTIONS:
- nucleation
- flooding wave
- temperature wave
- mechanical wave

A: mechanical wave

input: OPTIONS:
- matrix bonds
- accretion bonds
- acceleration bonds
- covalent bonds Now, answer this question: Q: Each atom has a required number of what? A:
A:
output: covalent bonds

Q: Ponds and lakes are examples of what kind of biome? A:

OPTIONS:
- standing lake biome
- standing marine biome
- standing liquid biome
- standing freshwater biome

Answer: standing freshwater biome

Problem: OPTIONS:
- reproduction
- respiration
- movement
- metabolism
Q: Q: Mammals generate heat primarily by maintaining a high rate of what? A:
Answer: metabolism

Q: Solid balls of water and dust falling from the sky are known as? A:

OPTIONS:
- snow
- golf balls
- rain
- hail

Answer:
hail