1. constant speed is a steady speed from start to finish, instantaneous is not constant from start to finish.
2. The average speed of the marble is 5 m/s (meters per second).
3. Rider 1 will arrive at the destination before Rider 2.
Hope This Helps! : )
Liver failer or meningitis ------------------
Species are single organisms that are able to reproduce, while a population is a group of species living in the same general area.
The possible genotypes for the plant are Rr Rr rr rr. So there is a 0% chance