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

Basic oxides react with acids to produce salt and water.

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

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

The study of filterable pathogens is an important part of virology.

She was diagnosed with polycystic ovary syndrome.

Thinking sensibly, that plan will not succeed.

The use of renewable energy helps protect the global environment.

In chemistry class, I learned about the reaction of pyruvate.

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