If a government wishes to limit or prohibit fluctuations in exchange rates, it will choose: to suspend purchases and sales of its currency. to allow the rate to be set by international banks. to fix, or peg, the value of its currency to some base currency over a sustained period. to allow its currency to rise or fall in price, depending on a variety of supply and demand factors

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.