input with options: Q: Rh antibodies can prove dangerous if they cross what barrier in pregnancy? A:
OPTIONS:
- stomach
- fungal
- embryo
- placental
output: placental

Q: Q: What is essential for cellular respiration for all aerobic organisms? A:

OPTIONS:
- nitrogen
- water
- carbon
- oxygen

A: oxygen

input: OPTIONS:
- lack of formulas
- difficult to memorize
- difficult to understand
- difficult to calculate Now, answer this question: Q: Why must values of specific heat be looked up in tables? A:
A:
output: difficult to calculate

Q: Organisms tend to be larger in size at higher what levels? A:

OPTIONS:
- proteolytic
- benthic
- Secondary Layer
- trophic

Answer: trophic

Problem: OPTIONS:
- immunity
- molecular
- pelvic
- fetal
Q: Q: Which blood leaves the placenta through veins leading back to the fetus? A:
Answer: fetal

Q: What is corrosive mixture is formulated by the combination of water, air and sulfur? A:

OPTIONS:
- nitric acid
- sulfuric water
- hydrochloric acid
- sulfuric acid

Answer:
sulfuric acid