On August 3, 1492, Columbus set sail from Spain to find an all-water route to Asia. On October 12, more than two months later, Columbus landed on an island in the Bahamas that he called San Salvador; the natives called it Guanahani.On May 30, 1498, Christopher Columbus left Sanlúcar, Spain with six ships for his third trip to the New World. ... Columbus sailed to the Portuguese island of Porto Santo, then spent some in Madeira with the Portuguese captain João Gonçalves da Camara. He arrived at Gomera in the Canary Islands on June 19.
Answer:
cause we need oil for tons of things
Explanation:
The correct answer is C) increases.
<em>A catalytic combuster always increases the efficiency of a fireplace.
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A catalytic combustor uses a ceramic honeycomb design of oval shape. It is coated with some noble metal to resist the heat. The smoke can be burned with this application. A catalytic combustor can increase the efficiency by 10% and the air pollution is reduced up to 75%, That is why a catalytic combuster always increases the efficiency of a fireplace.
The other options of the question were a) decreases and b) has no effect.