How many degrees does the earth rotate every 24 hours?

What type of nuclear decay causes the atomic number of an element to increase by 1?

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.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?