The heart is located in the _________ cavity.

What organ is labeled “1”?

According to the article about “Middle Class Muscle,” artisans, such as blacksmiths, woodworkers, leather workers, metal workers, felt-makers, coopers, hatters, etc, were also referred to as ‘mechanicks.’

According to “What Can We Learn from the Role…”, he developed the first steam engine in 1712, made to pump water from coal mines.

As mentioned in “What Can We Learn from the Role of Coal,” he discovered how to smelt iron ore using coke (a purified form of coal) rather than charcoal, in 1709.

According to the Crash Course, “Coal, Steam, and the Industrial Revolution,” the steam engine not led only to steamboats and railroads, but to more efficient…

According to “Mercantilism,” this was a series of laws passed by the British Parliament that imposed restrictions on colonial trade. 

The molar mass of a compound XClO3 is 106.5. The molar mass (rounded to the nearest whole number) of X is ________, which is ________.

Which of the following represents a chemical property of a specific metal?

Which term describes best the following: 37Cl and 35Cl?