When you drive away from the gas pump, what type of tax have you just paid?

Excise tax

Explanation:

A very important key component of the excise program is fuel. Excise taxes are included in the price of a product, and you paid them when you make a purchase of the product that includes them, for example, gasoline. It is important to note that some activities have excise taxes, for example, the usage of some specific highways.

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a. the astrolabe could determine the correct latitudinal location of the ship