What is the dog associated with a boston terrier? hint it is a bulldog with round ears. also known as a (frenchie).

Both dog breeds have their roots in the English Bulldog and local breeds, although the French Bulldog’s ancestry is a bit more clouded than the Boston’s.

The Frenchie was developed from Toy Bulldogs in the mid-to-late 1800s. When England outlawed bull baiting in 1835, there were variations of the Bulldog that suddenly didn’t fulfill a purpose. When the increase in mechanization during the Industrial Revolution forced English lacemakers out of the Nottingham region of England and into the Calais area of France, they took their Toy Bulldogs with them. A number of other breeds, most notably the Pug and Terrier Boule, were possibly interbred to set size and type. Originally seen with both erect and rose ears, the Petite Boule quickly became the star of the Parisian working class and the favorite of the Belles de Nuit, or ladies of the night, who introduced the breed to the upper classes.

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a fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.[1] the age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.[2] fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.[3] other commonly used derivatives include kerosene and propane. fossil fuels range from volatile materials with low carbon to hydrogen ratios like methane, to liquids like petroleum, to nonvolatile materials composed of almost pure carbon, like anthracite coal. methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates.

the theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the earth's crust over millions of years was first introduced by andreas libavius "in his 1597 alchemia [alchymia]" and later by mikhail lomonosov "as early as 1757 and certainly by 1763".[4] the first use of the term "fossil fuel" was by the german chemist caspar neumann, in english translation in 1759.[5]

in 2017 the world's primary energy sources consisted of petroleum (34%), coal (28%), natural gas (23%), amounting to an 85% share for fossil fuels in primary energy consumption in the world.[6] non-fossil sources in 2006 included nuclear (8.5%), hydroelectric (6.3%), and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%.[7] world energy consumption was growing at about 2.3% per year. in 2015 about 18% of worldwide consumption was from renewable sources.[8]

the answer is "a.) well–developed vascular system."

explanation: