Q: Q: A lewis acid is a substance that accepts a pair of electrons to form what? Choices: - accretion bond - functionality bond - ambivalent bond - covalent bond A:
A: covalent bond

Q: Q: What is responsible for our sense of balance? Choices: - our eyes - our limbs - our feet - our ears A:
A: our ears

Q: Q: Winds moving air masses causes what? Choices: - earthquake - tremors - tsunami - weather A:
A: weather

Q: Q: The electric and magnetic fields are closely related and propagate as what? Choices: - mechanical wave - thermal energy - sound wave - electromagnetic wave A:
A: electromagnetic wave