"Investment money means to "put it " into some business project such as "operating" a mine, building a housing complex, or "doing " medical research .
"Investment money means to "put it " into some business project such as "operating" a mine, building a housing complex, or "doing " medical research . Correct Answer Investment
Investment will be investing. So, the correct sentence is - Investing money means to put it into some business project such as operating a mine, building a housing complex, or doing medical research .