Problem: OPTIONS:
- an alkali metal
- a halloid
- a metalloid
- an alloy
Q: Q: What is a mixture of metal with one or more other elements? A:
Answer: an alloy

Problem:OPTIONS:
- transmission
- inclination
- oscillation
- acceleration

Q: What is the term for changes in speed or direction, changes that make a roller coaster ride so exciting? A:
****
A: acceleration

Q: In mammals what does the zona pellucida protect? A:
OPTIONS:
- testes
- sperm
- fetus
- egg
egg

Q: Myopia and hyperopia are defects that can be corrected with devices? A:
OPTIONS:
- crutches
- casts
- fins
- lenses

Answer: lenses

Question: Q: What is the term for tough, flexible connective tissue that contains the protein collagen? A:
OPTIONS:
- muscle
- cuticle
- membrane
- cartilage
Answer: cartilage

input: OPTIONS:
- reactions
- digestion
- melting
- photosynthesis Now, answer this question: Q: What is the process by which almost all plants make food? A:
A:
output:
photosynthesis