Have you ever observed the duration of anger ?

Have you ever observed any water pollution in your area? How can you control it?

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

What will you do if a dog is after you? What will be your first reaction? Have you ever observed any change in your body when you afe afraid?

Have you observed the rare view mirrors of a car ?