what are two ways life would be different if Earth did not have the motion of revolution
The Earth would not have a magnetic field. There would be no life on Earth due to radiation from the Sun.
The two ways are given below.
If it happened quickly, the results would be catastrophic, turning the whole planet into a blended slurry of mountains, oceans, and trees, hurtling past at hundreds of kilometers per hour. And if it happened slowly, it would still be unpleasant, as we stopped having a proper day/night cycle.
If Earth did not rotate it is unlikely Earth could support life as we know it. With such extremely long days, the sunny side would have extremely hot temperatures while the shadow side would have extremely cold temperatures. All locations would experience extreme heat and extreme cold during the course of a year.
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