Q: In a tropical rainforest, where are ferns common? A:
OPTIONS:
- forrest floor
- emergent
- canopy
- understory

Answer: understory

Question: Q: A visual "copy" of an object that is formed by reflected or refracted light is called what? A:
OPTIONS:
- mirror
- instance
- photo
- image
Answer: image

input with options: Q: Soils with higher capacities generally have a larger reserve of what? A:
OPTIONS:
- hydrogen nutrients
- water
- protein
- mineral nutrients
output: mineral nutrients

Q: Q: A perfectly inelastic collision reduces internal kinetic energy to the minimum it can have while still conserving what? A:

OPTIONS:
- heat
- energy
- elements
- momentum

A: momentum

input: OPTIONS:
- Mendelian systems
- Newton's third law
- gravitational pull
- van der waals interactions Now, answer this question: Q: This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what? A:
A:
output: van der waals interactions

Question: Q: An obstacle or opening that is shorter than the wavelength causes greater diffraction of what? A:
OPTIONS:
- tides
- ranges
- particles
- waves
Answer:
waves