Problem: OPTIONS:
- kinetic energy
- Big Bang theory
- coreolis effect
- gravity
Q: Q: Stars are born in clouds, and they form and grow dense due to what force? A:
Answer: gravity

Problem:OPTIONS:
- cell
- marrow
- system
- organ

Q: What do you call a structure composed of two or more types of tissues that work together to do a specific task? A:
****
A: organ

Q: What determines the ability of soil particles to bind many nutrients? A:
OPTIONS:
- surface pulses
- layer charges
- currents charges
- surface charges
surface charges

Q: Acne results from a blockage of sebaceous glands by what? A:
OPTIONS:
- mucous
- progesterone
- fat
- sebum

Answer: sebum

Question: Q: In recent years, however, researchers have discovered that microsporidia actually have tiny organelles derived from what? A:
OPTIONS:
- proteins
- carbohydrates
- plasma
- mitochondria
Answer: mitochondria

input: OPTIONS:
- ten
- two
- five
- three Now, answer this question: Q: How many chambers are in a reptiles heart? A:
A:
output:
three