Problem:OPTIONS:
- lipids
- cells
- enzymes
- proteins

Q: What are made on ribosomes in the cytoplasm? A:
****
A: proteins

Q: What celestial body is the earth's main source of energy? A:
OPTIONS:
- rivers
- ocean
- moon
- sun
sun

Q: What do scientists use to search other planets suitable for living? A:
OPTIONS:
- optics
- lasers
- microscopes
- telescopes

Answer: telescopes

Question: Q: Adult tunicates also develop a sac, called a what? A:
OPTIONS:
- hood
- skirt
- frill
- tunic
Answer: tunic

input with options: Q: Muscles that position the pectoral girdle are located either on the anterior thorax or on this? A:
OPTIONS:
- posterior thorax
- inferred thorax
- analogous thorax
- posterior thorax
output: posterior thorax

Problem: OPTIONS:
- momentum
- impact
- inertia
- gravity
Q: Q: What pulls skydivers towards the earth? A:
Answer:
gravity