Answer:
Nuclear energy because it can never be reused again
Risk arbitrage also called merger arbitrage trading; it refers to an event mediated hypothetical trading method. It tries to produce profits by taking a long position in the stock of a target company, and optionally merging it with a brief position in stock of an attaining company to produce a verge.
Riskless arbitrage includes taking merit of interest rate differentials by involving in a spot transaction today to sell/buy foreign currency, and at the same time involving in a purchase/sale of foreign currency for a particular time in the future.
One example of passive transport is diffusion, when molecules move from an area of high concentration (large amount) to an area of low concentration (low amount). Molecules are said to naturally flow down their concentration gradient
ITS TWO WE R LEARNING ABOUT IT RN
Protections the ozone layer
Maintaining animal and human food chain
Preserving potable water and making efficient use of non renewable resources
