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.
Accounting Ratios | Financial Ratios: Learning Objectives: Define and explain the term accounting ratios. What are advantages and limitations of using accounting or financial ratios. How financial ratios are classified. Ratios simply means one number expressed in terms of another.earning Objectives: Define and explain the term accounting ratios. What are advantages and limitations of using accounting or financial ratios. How financial ratios are classified. Ratios simply means one number expressed in terms of another.