Which feature separates humans from other primates? smaller brain size bipedalism use of tools complex social skills

Bipedalism.

Explanation:

Bipedalism is a human's ability in which they can use their two hind legs to run or walk without the help of their front limbs, unlike other primates.

answer; i believe the correct answer is (replication is not conservative);

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave