Which step caused an aerobic atmosphere during the history of earth ?

What was the main argument of plessy in plessy v. ferguson

Did president truman warn japan against a second bomb attack

The discovery of hammurabi's law code was an important archaeological find because it a. was the first law code developed in the middle east b. showed that early mesopotamian cultures had a bill of rights c. is the most complete mesopotamian law code known d. provided a model for european law codes