Problem:OPTIONS:
- troposphere
- thermosphere
- atmosphere
- lithosphere

Q: Which part of the earth is made of the rigid, brittle, solid crust and uppermost mantle? A:
****
A: lithosphere

Q: How do prokaryotic organisms reproduce asexually? A:
OPTIONS:
- mitosis
- residual fission
- kinetic fission
- binary fission
binary fission

Q: What carries blood away from the heart? A:
OPTIONS:
- veins
- pores
- capillaries
- arteries

Answer: arteries

Question: Q: The body does not exist in isolation. there is a constant input of water and electrolytes into the system. while osmoregulation is achieved across membranes within the body, excess electrolytes and wastes are transported to the kidneys and excreted, helping to maintain this? A:
OPTIONS:
- physical balance
- vacuum balance
- nucleic balance
- osmotic balance
Answer: osmotic balance

input with options: Q: A mass suspended by a wire is a simple type of what and undergoes simple harmonic motion for amplitudes less than about 15 degrees? A:
OPTIONS:
- gravity
- variation
- weight
- pendulum
output: pendulum

Problem: OPTIONS:
- molecular carbon
- molecular nitrogen
- atomic oxygen
- molecular oxygen
Q: Q: Obligate anaerobes live and grow in the absence of what? A:
Answer:
molecular oxygen