The level of corticosterone rises due to stress.

Deuterium is one of the isotopes of hydrogen.

Hansel and Gretel is my favorite fairy tale.

I am planning to go to Rotterdam next week.

He left a will.

He is thinking of a new plan.

He answered in a disconcerted manner to the sudden question.

Various types of plants are planted in my garden.

Do you know at what temperature water boils?

The tachometer of my car has broken.