Was ACDC heavy metal?

Now, let's delve into a question that has been circulating among music lovers for quite some time. The band AC/DC, with their iconic riffs and powerful vocals, has captured the hearts of millions worldwide. But the real question is, 'Was AC/DC heavy metal?' This is a debate that has sparked heated discussions, with some arguing that their music fits neatly into the heavy metal genre, while others contend that they belong in a different category altogether. So, let's take a closer look at their sound, lyrics, and overall impact to see if we can settle this age-old question once and for all.