Question

how can we merge of Black Hole with earth​

Answer 1

It is not possible

OR

A binary black hole (BBH) is a system consisting of two black holes in close orbit around each other. Like black holes themselves, binary black holes are often divided into stellar binary black holes, formed either as remnants of high-mass binary star systems or by dynamic processes and mutual capture, and binary supermassive black holes believed to be a result of galactic mergers.

Answer 2

Answer:

it is practically not possible .

but in case u want to do so then contact god