input: OPTIONS:
- cornea
- stimulation
- aperture
- retina Now, answer this question: Q: What do you call the membrane lining the back of the eye? A:
A:
output: retina

input: OPTIONS:
- very reactive
- high density
- nonreactive
- uniform composition throughout Now, answer this question: Q: What is the most important characteristic of a homogeneous mixture? A:
A:
output: uniform composition throughout

input: OPTIONS:
- steam
- clouds
- humidity
- wind Now, answer this question: Q: What is moving air called? A:
A:
output:
wind