The temperature of a glass of water drops from 18°C to 10°C in 16 min.
What is the rate of temperature
change?

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

How to tell if a molecule is polar or nonpolar with electronegativity

What part of the ear is names after tools, such as the hammer and the anvil?