Which of these features was formed by hotspot volcanism?

the grand canyon
the big island of hawaii
the appalachian mountains
the himalaya mountain range

These feature that was formed by hotspot volcanism is The Big Island of Hawaii. The Hawaiian Islands are actually found at the tip of several volcanoes that has been formed by a series of volcanic eruptions. Today, the Big Island sits on the hotspot, and contains the only active volcanoes of the group of islands.

The Big Island of Hawaii was formed by hotspot volcanism, whereas The Grand Canyon, The Appalachian Mountains, and The Himalaya Mountain Range were not.

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab.