Question: Q: What is contained in the cavity of a long bone's central shaft? A:
OPTIONS:
- blood
- calcium
- cells
- marrow
Answer: marrow

input with options: Q: What type of cell has negative anode is positive cathode? A:
OPTIONS:
- picric cell
- planetoid cell
- non-voltaic cell
- voltaic cell
output: voltaic cell

Q: 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

A: newborn

input: OPTIONS:
- solutions
- concentrations
- combinations
- mixtures Now, answer this question: Q: Combined substances are either compounds or what? A:
A:
output: mixtures

Q: What is a pair of valence electrons in a bonded atom that does not participate in bonding called? A:

OPTIONS:
- opposite pair
- isolated pair
- hostile pair
- lone pair

Answer: lone pair

Q: Q: Plants alternate between haploid and what? A:

OPTIONS:
- triploid
- monoplooid
- monoxoid
- diploid

A:
diploid