Question

Technical gadgets save time. They have sharpened the human intellect... Join the sentence without using and, but and so​

Answer 1

There are many ways you can answer the question so I’ll give you a few ways:
1. Technical gadgets save time and in that way they have sharpened the human intellect.
2. Technical gadgets save time, they have sharpened the human intellect.
3. Technical gadgets save time therefore they have sharpened the human intellect.
4. Technical gadgets save time in consequence they have sharpened the human intellect.