Qual a diferença aproximada em graus entra as coordenadas geograficas do município de pimenta buêno e de brasilia?

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

i'm sure the answer you are looking for would be

a. an ice age

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