Q: Steel, bronze, and brass are good examples of what? A:

OPTIONS:
- metalloids
- elements
- salts
- alloys

Answer: alloys

Problem: OPTIONS:
- hormones
- cones
- kidneys
- gonads
Q: Q: Gametes are products through meiosis in which organs? A:
Answer: gonads

Problem:OPTIONS:
- prokaryotes
- worms
- arthropods
- protists

Q: What do scientists believe are the oldest eukaryotes? A:
****
A: protists

Q: Which proteins recognize and combine with harmful materials, including both toxic chemicals and invasive microorganisms? A:
OPTIONS:
- enzymes
- collagen
- essential amino acids
- antibodies
antibodies

Q: The planets orbit around what celestial body? A:
OPTIONS:
- moon
- earth
- horizon
- sun

Answer: sun

input with options: Q: What is the primary cause of air movement in the troposphere? A:
OPTIONS:
- solar winds
- asteroids
- the ozone layer
- differences in heating
output:
differences in heating