Which of the following is true about ionizing radiation?

The statement that ionizing radiation has enough energy to remove tightly bound electrons is correct because ionizing radiation refers to radiation that carries sufficient energy to dislodge electrons from atoms or molecules. This process can lead to the creation of ions, which is significant in various fields, including medicine and environmental health.

In contrast to the other statements, ionizing radiation is not limited to natural settings; it can also be produced artificially, for example, in medical imaging equipment like X-ray machines or particle accelerators. Similarly, it has the capacity to penetrate solid materials, although the extent of penetration depends on the type of radiation and the material being penetrated. Ionizing radiation is not safe for all living organisms; in fact, it can be harmful and can lead to health issues, such as radiation sickness or an increased risk of cancer. Understanding the nature of ionizing radiation and its effects is crucial for professionals in environmental health and safety fields.