Which factor is likely the main cause of speciation?

a. organisms with beneficial traits tend to survive

b. population of a species become isolated from one another

c. members of a species can mate and produce fertile offspring

d. more offspring are produced than there and resources to support them

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

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?