The answer is B) Pythagoras
Answer:
a. larger pipe diameters
Explanation:
This is the factor that allows pipelines to increase their capacity and move an increased amount of tonnage. When we increase the diameter of a pipe, this allows a larger volume of material (water, oil, etc.) to move through it. This means that we are able to move a larger volume (tonnage) of material in a shorter amount of time. This increases the efficiency of the pipelines in a very significant way.
Answer:
Explanation:
It allowed families to have a keepsake representation of their fathers or sons as they were away from home. Photography also enhanced the image of political figures like President Lincoln, who famously joked that he wouldn't have been re-elected without the portrait of him taken by photographer Matthew Brady
If you are referring to during the time of slavery, up north there was no slavery and they were free. If you are referring to during the civil Rights movement, African Americans faced less discrimination up north and no Jim Crow laws.
One way that the Romans were able to create larger interior spaces in their architecture than the Greeks is by the use of concrete, which is lighter, stronger, and less expensive than marble. The Romans also became very skilled at the construction of bricks, which are also stronger and less expensive than marble.
Because concrete is lighter than marble, concrete buildings do not require as much interior support (e.g., columns) to hold them up. Fewer columns or interior support structures mean more interior space.
I got this information from: https://www.enotes.com/homework-help/why-were-romans-able-create-larger-interior-spaces-445813
I hope I helped:)