Which is an example of chemical weathering?

Question

Responses

weathering of rocks in a desert due to the rapid rise and fall of temperatures
weathering of rocks in a desert due to the rapid rise and fall of temperatures

erosion of land caused by receding glaciers
erosion of land caused by receding glaciers

the layer of oxide formed on statues made of metal
the layer of oxide formed on statues made of metal

deposition of silt along the banks of the Mississippi River

Answer 1

weathering of rocks in a desert due to the rapid rise and fall of temperatures

Answer 2

is that correct

Answer 3

My apologies for the repetition in the responses. Here is the correct response:

the layer of oxide formed on statues made of metal

This is an example of chemical weathering, as the metal of the statues reacts with oxygen in the air to form a layer of oxide on the surface over time.