Technology/Technical problems - Use of English B2

To infinity and beyond

Having already explored all earthly territories, humans have moved on .... one of the last remaining uncharted areas: the universe.

This desire for space exploration has resulted in numerous technological achievements. Technologies from space level .... create everyday items such as water filters and Velcro.

In recent decades, satellites have given us vastly ....... communication and weather forecasting systems.

Then there are navigation systems, without ...... many of us would be unable to find our way around unfamiliar cities.

Undoubtedly, space travel opens up possibilities that ....... exist without it. But the question still remains as to whether it is worth the cost.