Q: Unlike theories, which are proved true, what are often falsified? A:

OPTIONS:
- conclusions
- samples
- controls
- hypotheses

Answer: hypotheses

Problem: OPTIONS:
- spawning or budding
- mitosis
- cloning
- hatched from eggs
Q: Q: How is a mammal developed if not inside of a placenta or a pouch? A:
Answer: hatched from eggs

Problem:OPTIONS:
- 17
- 25
- 8
- 12

Q: What is the atomic number of magnesium? A:
****
A: 12

Q: What is the tectonic zone called where two plates come together? A:
OPTIONS:
- precursors boundary
- lateral boundary
- paralleled boundary
- convergent boundary
convergent boundary

Q: Deficiency of what mineral causes bones to become porous and weak? A:
OPTIONS:
- potassium
- magnesium
- zinc
- calcium

Answer: calcium

input with options: Q: What type of molecules are secreted by the cell in local signaling? A:
OPTIONS:
- word molecules
- negaitive molecules
- sleeping molecules
- messenger molecules
output:
messenger molecules