If a metal changes color overtime from exposure to air what has likely occurred? ?
• a reversible change
• a chemical change
• a physical change
• a change of state

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .