Answer:
Physical Barriers. Physical barriers in the workplace
Perceptual Barriers. It can be hard to work out how to improve your communication skills
Emotional Barriers.
Cultural Barriers.
Language Barriers.
Gender Barriers.
Interpersonal Barriers
Withdrawal.
Learning Theories are important to education and training because it arms the teacher effective ways to meet the learning needs of learners. Learning Theories give a deeper incite on the mindset/background of the learners. they give us a guide of the different methods use to enhance learning in the classroom.
The characteristic that best represents good walking technique is letting your arms swing loosely and your feet so they move fluidly and finding great balance so you last longer. So the best answer to your question is letter D. I hope this helps.
They have to take course.