Q: The rising and sinking of these can cause precipitation? A:
OPTIONS:
- underwater currents
- circular air currents
- temporary air currents
- global air currents

Answer: global air currents

Q: Which theorem states that, if a population meets certain conditions, it will be in equilibrium? A:
OPTIONS:
- hardy- jacksons theorem
- hardy - henkel theorem
- hardy - zeiss theorem
- hardy-weinberg theorem

Answer: hardy-weinberg theorem

Q: How many pathways do plants have for carbon fixation? A:
OPTIONS:
- one
- four
- two
- three

Answer:
three