Common features of a thunderstorm are thunder lightning rain or hail all of the above

Wich technology can a website use to allow you to listen to a concert live over the internet?

Which demographic challenge is europe currently experiencing? a. an aging and decreasing population b. a baby boomc. an unequal distribution between males and females d. a large group of teenagers moving through the school system(i chose a but i'm unsure)

To maintain clarity and focus lighting might be needed