How many bacteria will there be after four hours from a single bacterium that divides to produce two cells every 15 minutes

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

When sodium chloride dissolves in water the sodium cholride dissociates into?

Approximately how many times does an average human heart beat in a lifetime?