[Solved] Leonardo da Vinci's paintings are characterized by ____. A) sfumato B) monumental nude figures C) Mannerist elongation D) colorito Electronic Textbooks: Digital forms of textbooks, accessible on electronic devices, offering interactive features beyond what traditional printed textbooks can provide. Complementary Goods: Products which tend to be used together, where the use of one increases the demand for another. Wealth: The abundance of valuable financial assets or physical possessions which can be converted into a form that can be used for transactions. Flow Measure: A type of economic measurement that is recorded over a specific period of time, such as income or expenditure.