Q: Embryos usually don't survive if they have extra or too few of these genetic units? A:
OPTIONS:
- phenotypes
- genes
- ribosomes
- chromosomes

Answer: chromosomes

Question: Q: The presence of what in leaf cells makes most leaves appear green? A:
OPTIONS:
- hydrogen
- sodium
- carbonate
- chlorophyll
Answer: chlorophyll

input with options: Q: What type of gas is delivered to homes to use for cooking and heating? A:
OPTIONS:
- fluid gas
- compounded gas
- nuetralized gas
- natural gas
output: natural gas

Q: Q: Earth goes through regular changes in its position relative to? A:

OPTIONS:
- the moon
- saturn
- mars
- the sun

A: the sun

input: OPTIONS:
- nucleus
- electron shell
- atomic orbit
- bond axis Now, answer this question: Q: Single bonds allow the atoms they join to rotate freely about the what? A:
A:
output: bond axis

Question: Q: What are the three main types of rocks? A:
OPTIONS:
- limestone , igneous and metamorphic
- plutonic, igneous and metmorphic
- crystalline , igneous and metamorphic
- sedimentary, igneous and metamorphic
Answer:
sedimentary, igneous and metamorphic