Q: What contains most of the structures found in skin? A:
OPTIONS:
- epidermis
- subcutaneous layer
- basal layer
- dermis
dermis

Q: More than half of all known organisms are what? A:
OPTIONS:
- mammals
- enzymes
- spiders
- insects

Answer: insects

Question: Q: A muscle can return to its original length when relaxed due to a quality of muscle tissue called what? A:
OPTIONS:
- reach
- viscosity
- moisture
- elasticity
Answer: elasticity

input with options: Q: The carbon atoms are bonded together, with each carbon also being bonded to two of what kind of atoms? A:
OPTIONS:
- calcium
- helium
- ions
- hydrogen
output: hydrogen

Q: Q: The concentration of a substance is the quantity of solute present in a given quantity of ___________? A:

OPTIONS:
- structure
- mixture
- salutation
- solution

A: solution

Q: What is the diffusion of water molecules across a semipermeable membrane? A:
OPTIONS:
- organelle motion
- electrolysis
- active transport
- osmosis
osmosis