Q: What are hydrocarbons with double bonds called? A:

OPTIONS:
- aldehydes
- alcohols
- amines
- alkenes

Answer: alkenes

Problem: OPTIONS:
- speed
- long lifespan
- mating
- flight
Q: Q: In birds, lightweight air-filled bones and a large four-chambered heart are examples of adaptations for what purpose? A:
Answer: flight

Problem:OPTIONS:
- reproduction
- ecosystem
- spontaneous mutation
- biodiversity

Q: What helps ensure that, at least, some species will survive environmental change? A:
****
A: biodiversity

Q: Which type of weathering causes changes int he rocks materials, chemical or mechanical? A:
OPTIONS:
- liquid
- nuclear
- mineral
- chemical
chemical

Q: What are composed of a phosphate group, a sugar, and one of five different nitrogenous bases. A:
OPTIONS:
- prokaryotes
- cytotypes
- carotenoids
- nucleotides

Answer: nucleotides

input with options: Q: Much of what type of radiation that strikes the planet is reflected back into space? A:
OPTIONS:
- magentic radiation
- gamma rays
- microwaves
- solar radiation
output:
solar radiation