Scientists find the same type of index fossil in two different locations on earth. what can they conclude from this discovery? a. the fossils are different ages due to the location. b. the index fossils are the same geological age. c. one index fossil is older than the other. d. there is not enough information to make a conclusion.

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.

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Why is the use of carbon-14 limited