What is the difference between velocity and acceleration?

a.
velocity describes an object's position and acceleration describes how fast it moves.
b.
velocity is how fast an object moves and acceleration is the rate of change in velocity.
c.
velocity is used to determine the magnitude of force acting on an object, and acceleration isn't.
d.
velocity is a time-dependent property of an object, while acceleration is not.

Carissa, age 14, having trouble keeping up with all her assignments and when they are due. in addition to that, she struggles to balance school work, chores at home, social life, and playing volleyball. question 1 options: underdeveloped frontal lobe underdeveloped amygdala underdeveloped cerebellum underdeveloped corpus callosum question 2 (5 points) teens are not as adept at interpreting facial expressions and emotions as adults. what is the reason for this? question 2 options: teens use the frontal lobe more than adults which interferes with the use of the other areas of the brain like the amygdala. teens use the amygdala and adults use the frontal lobe to differentiate between similar facial expressions and emotions. adults have a thicker corpus callosum than teens which allows them to use both sides of their brain more efficiently. the lymbic regions of the brain are used more in adulthood than adolescence. question 3 (5 points) the human brain's development is like pruning a tree. as one grows older the unused connections in the brain are removed to make room for new growth. question 3 options: true false question 4 (5 points) michael, age 16, driving his car fast down a curvy road without his headlights on. question 4 options: underdeveloped amygdala underdeveloped cerebellum underdeveloped frontal lobe underdeveloped corpus callosum

A 22-year-old female patient slipped running down stairs and has injured her right tibia and fibula. you have used an air splint to splint the injury. to test the splint, you can:

Rotation of the head is made in atlanto-occipital joint or not?