Which quotation from A History of the World in 100 Objects best reveals the historical significance of the chronometer? The chronometer for the first time allowed absolutely accurate charting of the oceans, with all that implied for establishing safe and rapid shipping routes.
Darwin’s voyage on the Beagle and his subsequent work on evolution pushed human origins...into an unthinkably distant past.
Geologists had already demonstrated that the Earth was far older than previously believed, undermining the calculation made by Archbishop Usher.
Thanks to clockmakers like Earnshaw, precise and reliable clocks and watches became ever more affordable.

Read the summary of the first three paragraphs of “the world on turtle’s back.”[1] in the beginning, there was no land, only the great ocean. [2] the sky-world, the home of the gods, was above the ocean. [3] a sacred tree stood at the center. [4] one of the gods pulled out some of its roots for his pregnant wife. [5] this created a hole in the floor of the sky-world. [6] the man's wife fell through the hole toward the ocean below, clutching the roots in her hand.which is the best way to combine sentences 4 and 5? a) one of the gods pulled out some of its roots for his pregnant wife, which created a hole in the floor of the sky-world.b) one of the gods pulled out some of its roots for his pregnant wife, he created a hole in the floor of the sky-world.c) one of the gods pulled out some of its roots for his pregnant wife which created a hole in the floor of the sky-world.d) one of the gods pulled out some of its roots for his pregnant wife he created a hole in the floor of the sky-world.