I would say it is most likely skills or information. It can be broadly interpreted in it's contest. It mostly likely co-insides with your required reading terms. I encourage you to use your best judgement.
Answer:
Not really...
Explanation:
When you hide your emotions no one will no ow you are feeling and how to help you. If it's serious then you can develop some "problems". I would advise you to show your emotions. But you don't have to show all of them, truthful I only show the emotions that I need people to see, any other is just tucked away.
Hope this helps
D) Water purification programs because if water is contaminated, it can produce a huge amount of illness and sickness worldwide.