Can anybody helppp me with this Which is an example of a physical change?

cake baking

gasoline combusting

salt dissolving

iron rusting

What part of the ear is names after tools, such as the hammer and the anvil?

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer

Is a copper wire a conductor or insulator?