Q: In the water molecule, two of the electron pairs are lone pairs rather than what? A:
OPTIONS:
- bonding ions
- acid pairs
- ions pairs
- bonding pairs
bonding pairs

Q: Which type of electrons plays the most important role in chemical reactions? A:
OPTIONS:
- noncovalent
- intermediate
- transition
- valence

Answer: valence

Question: Q: An electric current flows in a path called what? A:
OPTIONS:
- electric ring
- electric course
- fuse
- electric circuit
Answer: electric circuit

input with options: Q: All gymnosperm species and many eudicot species undergo what? A:
OPTIONS:
- exploitation
- mutations
- third growth
- secondary growth
output: secondary growth

Q: Q: In flowering plants, male gametophytes are in grains of what? A:

OPTIONS:
- viruses
- bacteria
- nitrogen
- pollen

A: pollen

Q: Energy from sunlight enters many ecosystems through what process? A:
OPTIONS:
- multiplication
- reproduction
- isolation
- photosynthesis
photosynthesis