Rover C4 can identify both location and ………………………….

The Rover C4 is a ………………………… scanner

………………………… can discover objects buried underground.

The ………………………… enables us to find objects buried underground.

Archeologists depends on ……………… to search for metals underground.

Magnetometer depends on …………........……………… to detect things buried underground.

………………………… Is a 3D ground scanner used to detect metals.

Exploration tools detect ………………………… underground.

……………… is a device that relies on satellites to detect location of things.