Why does carbon dioxide have a higher bond order than water?

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.

What is a good example of instantaneous speed

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?