When the Statue was unveiled in 1886, it was a shiny brown color, like a penny. The reason the Statue of Liberty changed colors is that the outer surface is covered with hundreds of thin copper sheets. Copper reacts with the air to form a patina. This is an example of a .
Physical Change
Chemical Change
Chemical Property
Physical Property
Answers: 2
Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
Answers: 2
Chemistry, 22.06.2019 15:00
According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?
Answers: 1
When the Statue was unveiled in 1886, it was a shiny brown color, like a penny. The reason the Statu...
Mathematics, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
History, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
Physics, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
Mathematics, 25.10.2021 17:30
English, 25.10.2021 17:30