The amount of a gas like carbon dioxide that can be dissolved in water is described by Henry's Law. Water is chilled, optimally to just above freezing, in order to permit the maximum amount of carbon dioxide to dissolve in it. Higher gas pressure and lower temperature cause more gas to dissolve in the liquid.
Investment bankers are also responsible for buying and selling stocks and securities on behalf of their clients. To become an investment banker, you must have a college degree, preferably in a related discipline. You also typically need professional certifications, as well as government licenses to buy and sell investment products for your clients.
Ideally, you should learn the fundamentals of how to to do that in your classes however most colleges seemed to be focused on churning out middle managers than people who can actually make things happen. Here's what you should learn in a typical business degree program: Financial Accounting - making sure you're tracking income and expenses correctly, being able to read and understand an income statement, balance sheet, and cash flow statement.