If earth was like a hardboiled egg, which part of earth would the egg shell represent and why? crust, as its depth is up to 3,000 kilometers mantle, as its depth is up to 3,000 kilometers mantle, as its depth is less than 100 kilometers crust, as its depth is less than 100 kilometers

58 km per hour : d

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.