input with options: Q: Soil erosion is a natural process, but what can increase it unnaturally? A:
OPTIONS:
- human preservation
- animal activies
- volcanic eruption
- human activities
output: human activities

input with options: Q: Which organ is the control center of the nervous system? A:
OPTIONS:
- the heart
- the spine
- the lungs
- the brain
output: the brain

input with options: Q: Where are all hormones secreted into before entering the circulatory system? A:
OPTIONS:
- Amniotic fluid
- blood stream
- Cerebrospinal fluid
- interstitial fluid
output: interstitial fluid

input with options: Q: What type of molecules sit within a membrane and contain an aqueous channel that spans the membrane's hydrophobic region? A:
OPTIONS:
- osmotic fluid
- microorganisms
- mole
- channel
output:
channel