How is irish dancing performed eg. number of people involved and where are they located during the dance?

What images are featured on the retangular panels along the sides the image above

Reflects the pros and cons of continuous software updating?

Choose the statement that best describes why textiles should not be exposed to ultraviolet rays a. ultraviolet rays fade the colors in the fabric b. ultraviolet rays will ignite the threads c. ultraviolet rays fade and weaken the fabric d. ultraviolet rays will weaken the fabric