Question

We invest our money--- new industries

Answer 1

Hey friend , Your answer is "" in"".
Hope it will help you friend.

Answer 2

Answer:

We invest our money in new industries.

Explanation:

A preposition is the part of speech which tells about the relation of two things in the sentence. It tells about the time and location of the two things in the sentence. It builds the relation between them. In the above sentence, the preposition is 'in'.