Answer:
A. a boat
C. a tank
Explanation:
Given that Amphtrac is a military vehicle often referred to as Landing Vehicle Tracked. It is capable of moving in both land and water which during operation
Considering the amphtrac characteristics, some of the incorporated features the vehicle has, are:
1. Boat: by this, the Amphtrac can move on water, when the depth is not so deep
2. Tank: by this, the Amptrac has features of amour tank including guns, space for driver, commanders, etc.