Final answer:
The terms "High-tech Tag," "Red-gelatin Ammo," and "CO2 Cartridge" are associated with the sport of Paintball, which involves tagging opponents with dye-filled capsules using a paintball marker.
Step-by-step explanation:
Items such as "High-tech Tag," "Red-gelatin Ammo," and "CO2 Cartridge" are related to Paintball, which is Option 3. Paintball is a sport in which players compete in teams or individually to eliminate opponents by tagging them with capsules containing water-soluble dye and gelatin shell outside (red-gelatin ammo), propelled from a device called a paintball marker that is powered by compressed gas (CO2 cartridge). A high-tech tag likely refers to sophisticated gaming equipment used in paintball to keep track of scores or hits during the game. The photographs provided do not directly relate to paintball but illustrate different types of technology: a Geiger counter, vertical tubes which could be part of a laboratory setup, and a portable device with a digital readout being used near a road, possibly for measuring something in the field.