How are state and federal courts similar

Both state and federal courts of appeal are appellate courts

Explanation:

That is the main similarity between them. State courts of appeals hear appeals from decisions from trial courts in that state, while federal circuit courts of appeals hear appeals from district courts, the trial courts of the federal system

James Watt / Thomas Newcomen

Explanation:

The two names that are most responsible for the use of steam in the industry. The original steam engine was modified in 1712 but was later refined by James Watt, who was credited with the invention. The invention was a revolution in traffic, and a steam engine, except on land, was also used to launch ships (steamboat).Mentioned in 1712, Thomas Newcomen is the person who was responsible for the construction of the steam-pumped atmospheric pump. His invention worked for much of the eighteenth century but was not economical. Thanks to the technical refinement by James Watts, a revolution is about to occur in the industry.