Why don't gorilla evolve to human if scientist was about to said that human evolve from gorilla to human?

The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?

During the past 150 years in the united states, how did energy consumption compare to population growth

When barack obama was running for president, at a campaign stop he tried to bowl, something he isn't very good at. the media loved it because he threw a gutter ball while they were all watching. this is an example of: