Q: Homes and transportation use what percent of all energy in the u.s.? Choices: - twenty five - fifteen - forty - half (fifty) A:
half (fifty)

Q: The first consumption of breast milk or formula floods the newborn's sterile gastrointestinal tract with beneficial what? Choices: - disease - oxygen - pathogens - bacteria A:
bacteria

Q: What term means opposition to the flow of electric charges that occurs when electric current travels through matter? Choices: - polarity - antagonism - diffusion - resistance A:
resistance