Problem: OPTIONS:
- an infinite number
- a trillion
- an octillion
- about a hundred billion
Q: Q: Approximately how many galaxies are there in the universe? A:
Answer: about a hundred billion

Problem:OPTIONS:
- t cell
- a cytoplasm
- a filament
- a zygote

Q: What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus? A:
****
A: a zygote

Q: The central vacuole maintains turgor pressure against what? A:
OPTIONS:
- the cell move
- the cell multiplication
- the cell addition
- the cell wall
the cell wall

Q: What is a force that opposes motion between any surfaces that are touching? A:
OPTIONS:
- vibration
- tension
- gravity
- friction

Answer: friction

Question: Q: What is the name of the outer part of the adrenal gland located above the kidneys? A:
OPTIONS:
- nucleus
- mitochondria
- spleen
- cortex
Answer: cortex

input: OPTIONS:
- 3 million years
- 200.4 million years
- 60.11 million years
- 10 million years Now, answer this question: Q: How long can a large star be on the main sequence stage? A:
A:
output:
10 million years