Sarah backstrokes at an average speed of 8 meters per second how long will it take her to complete the race of 200 meters length

Moving down the ramp from 6 meters to

All ova contain sex chromosomes corresponding to: x y xx xy

Which of the following statements about brain development and early childhood is true? the brain of a 5 year old is 60 percent the size of an adult brain the overall size of the brain does not increase dramatically from ages 3-15 by the time a child is 3 years of age, the brain is 25 percent of it's adult size the development that occurs inside the brain ends at the onset of adolescence