HI I AM OF CLASS 6 An organic compound is virtually any chemical compound that contains carbon, although a consensus definition remains elusive and likely arbitrary. However, the traditional definition used by most chemists is limited to compounds containing a carbon-hydrogen bond. Organic compounds are rare terrestrially, but of central importance because all known life is based on organic compounds. The most basic petrochemicals are considered the building blocks of organic chemistry.
Select the INCORRECT match of brushes in MS-Paint of Windows 7 with their corresponding names.
A - Marker
B - Natural pencil
C - Calligraphy brush 1
D - Watercolor brush
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Havana .The city of Havana was founded by the Spanish in the 16th century and due to its strategic location it served as a springboard for the Spanish conquest of the Americas, becoming a stopping point for treasure-laden Spanish galleons returning to Spain. King Philip II of Spain granted Havana the title of City in 1592. Walls as well as forts were built to protect the old city. The sinking of the U.S. battleship Maine in Havana's harbor in 1898 was the immediate cause of the Spanish–American War.