Q: What is the term for a galaxy that is a rotating disk of stars and dust? A:
OPTIONS:
- cosmic galaxy
- nebula
- Milky Way
- spiral galaxy
spiral galaxy

Q: The speed of a wave is a product of its wavelength and what else? A:
OPTIONS:
- voltage
- density
- magnitude
- frequency

Answer: frequency

Question: Q: In what group of animals several forms of asexual reproduction are found? A:
OPTIONS:
- crustaceans
- arthropods
- insects
- invertebrates
Answer: invertebrates

input with options: Q: What attracts the earth to the sun? A:
OPTIONS:
- weight
- light
- the moon
- gravity
output: gravity

Q: Q: The first plants probably evolved from what? A:

OPTIONS:
- dry green algae
- moss
- mould
- aquatic green algae

A: aquatic green algae

Q: The separation of compounds on the basis of their solubilities in a given solvent is known as what? A:
OPTIONS:
- nuclei crystallization
- simplest crystallization
- separate crystallization
- fractional crystallization
fractional crystallization