acid - n. a chemical with a sour taste that forms a salt when mixed with a base

cruise - n. to travel on a boat or ship to a number of places as a vacation

erupt - v. to send out rocks, ash, lava, etc., in a sudden explosion

impact - v. to have a strong and often bad effect on

income - n. money that is earned from work, investments, business, etc.

lava - n. melted rock from a volcano

otherwise - n. in a different way or manner

reservation - n. an arrangement to have something (such as a room, table, or seat) held for your use at a later time