Out of the given options, the anthropogenic factor that does not contribute to climate change is B. <u>Breathing</u>.
<h3>Which factors contribute to climate change?</h3>
Combusting fossil fuels creates greenhouse gases that lead to climate change and so does agricultural activities such as raising livestock and growing rice.
Deforestation also contributes as it releases a lot of greenhouse gases into the atmosphere. Our breathing however does not contribute to climate change.