Which is an example of a chemical change?

Example: Burning wood

Souring milk

Mixing acid and base

Baking a cake

Explanation:

Chemical changes occur when a substance combines with another to form a new substance.

Example: Burning wood

Souring milk

Mixing acid and base

Baking a cake

can you attach a picture of the lettuce? : )

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.