Homo erectus and Neanderthals lived at the same time as homo sapiens. Neanderthals eventually died off and homo erectus may have evolved into homo sapiens
Society as a whole can help science advance by raising questions that science can help answer. By continuing to ask questions, technology and science can advance, attempt to answer those questions and change lives.
Portland cement is made up of four main compounds: tricalcium silicate (3CaO · SiO2), dicalcium silicate (2CaO · SiO2), tricalcium aluminate (3CaO · Al2O3), and a tetra-calcium aluminoferrite (4CaO · Al2O3Fe2O3).
The right answer is B. He supported it and campaigned for a similar revolution in Italy.
Napoleon Bonaparte was given command of the Army of Italy, and originally faced two armies, one Austrian and one from Piedmont. He attacked quickly and managed to force Piedmont to leave the war. After this military success, Napoleon took Milan, where he established a republican government. His campaign in Italy helped end the French Revolutionary Wars in favor of France, and also, established Napoleon as an important political figure.