Question

a(n) ____ is the apparatus that has a pump, carries hose, and maintains a booster tank of water. select one: a. truck b. ladder truck c. rescue vehicle d. engine

Explanation:

In firefighting, a fire - engine is an apparatus that has a pump, carries hose, and maintains a booster tank of water. Other options like truck, ladder truck, and rescue vehicle do not specifically match this description as directly as an engine in the context of firefighting equipment with these features.

Answer:

D. engine