input with options: Q: Toward the late stages of pregnancy, a drop in progesterone and stretching forces from the fetus lead to increasing uterine irritability and prompt labor. contractions serve to dilate the cervix and expel this? A:
OPTIONS:
- blood
- tissues
- uteris
- newborn
output: newborn

Q: Q: Elements with magic numbers of what tend to have more stable isotopes? A:

OPTIONS:
- nucleus
- pressure
- molecules
- protons

A: protons

input: OPTIONS:
- solid
- reactive
- saline
- aqueous Now, answer this question: Q: Double-replacement reactions generally occur between substances in what kind of solution? A:
A:
output: aqueous

Q: What do you call the daily changes in the level of ocean water? A:

OPTIONS:
- waves
- shores
- currents
- tides

Answer: tides

Problem: OPTIONS:
- embedded ear
- solid ear
- outer ear
- inner ear
Q: Q: What part of the ear is often described as a bony labyrinth? A:
Answer: inner ear

Q: Crossover occurs between non-sister chromatids of which chromosomes? A:

OPTIONS:
- analogous
- identical chromosomes
- compound chromosomes
- homologous

Answer:
homologous