This equation has homogeneity.

Einstein proposed the theory of relativity.

His actions always have a duality.

Radioactive elements are produced in nature and scientific experiments.

He was diagnosed with congestive heart failure.

His father fell into a persistent vegetative state due to a traffic accident.

Basic oxides react with acids to produce salt and water.

It is important for us to respect cultural diversity and understand each other's differences.

This area is affected by radioactive fallout from past nuclear tests.

She was diagnosed with polycystic ovary syndrome.