Q: Moving electrons have a form of kinetic energy called what? A:
OPTIONS:
- potential energy
- electromagnetism
- deformed energy
- electrical energy
electrical energy

Q: Which two basic parts of a plant develop tough outer coatings to protect the plant from the environment? A:
OPTIONS:
- roots and leaves
- stems and stalks
- bark and stems
- leaves and stems

Answer: leaves and stems

Question: Q: Because force and electric field are what, they have direction as well as their value? A:
OPTIONS:
- sensors
- neurons
- mass
- vectors
Answer: vectors

input with options: Q: The number of valence electrons determines variation of what property in nonmetals? A:
OPTIONS:
- permeability
- density
- turbidity
- reactivity
output: reactivity

Q: Q: What term describes a wave in which particles of the medium vibrate at right angles, or perpendicular, to the direction that the wave travels? A:

OPTIONS:
- drainage wave
- symmetrical wave
- stimulation wave
- transverse wave

A: transverse wave

Q: Why are the stems of many xerophytes fleshy? A:
OPTIONS:
- drains water
- pressures water
- collects water
- stores water
stores water