Bacillus thuringiensis (Bt) is a spore forming (flash animation) bacterium that produces crystals protein (cry proteins), which are toxic to many species of insects.t is largely used in agriculture, especially organic farming. Bt is also used in urban aerial spraying programs, and in transgenic crops. To learn more about each of these topics, click on the corresponding link on the left.
Advantages and Limitations of Ratio Analysis. Financial ratio analysis is a useful tool for users of financial statement. It has following advantages: 1  It simplifies the financial statements.  It helps in comparing companies of different size with each other.
In other words, liquidity ratios evaluate the ability of a company to convert its current assets into cash and pay current obligations. Common liquidity ratios are the current ratio and the quick ratio. The current ratio is calculated by dividing current assets by current liabilities.According to Thomson Reuters, a general rule of thumb is to have a current ratio of 2.n other words, liquidity ratios evaluate the ability of a company to convert its current assets into cash and pay current obligations. Common liquidity ratios are the current ratio and the quick ratio. The current ratio is calculated by dividing current assets by current liabilities.