X-rays can be used to view bones because

A) x-rays pass through bone.
B) x-rays react with bone.
C) x-rays cannot pass through bone.
D) bones are less dense than soft tissue.

X-rays

Electromagnetic waves with wavelengths shorter than those of visible light, capable of penetrating solids and ionizing gases, widely used in medicine and industry for imaging and diagnostic purposes.

Bones

Hard, dense connective tissue forming the skeleton, providing structure and protection to the body as well as assisting with movement.

Dense

Characteristic of a substance having closely packed particles or elements, indicating high mass per unit volume.