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no answer but......maybe this help you..?
Explanation:
involving the agreement or cooperation of two political parties that usually oppose each other's policies.
"the reforms received considerable bipartisan approval"..
The first one, Increase audience appeal by adding descriptive details.
Answer:
In physics, spacetime is any mathematical model which fuses the three dimensions of space and the one dimension of time into a single four-dimensional manifold. Spacetime diagrams can be used to visualize relativistic effects, such as why different observers perceive differently where and when events occur.
Explanation: