Question

what is one type of environmental factor that causes mutations? low population density high humidity radiation

Explanation:

To determine the environmental factor causing mutations, we analyze the options: Low Population Density and High Humidity do not directly cause DNA mutations. Radiation (like UV, X - rays) can damage DNA, leading to mutations.

Answer:

C. Radiation (assuming the options are labeled A: Low Population Density, B: High Humidity, C: Radiation; if the option for Radiation is the third one as per the visual, the answer is the third option labeled "Radiation")