There are a lot of Job's tears growing in my garden.

This website features frequently asked questions and their answers.

In this lake, denitrification is actively taking place.

This soil is active in denitrification, releasing nitrogen into the atmosphere.

The reason why water droplets become round is due to surface tension.

He seems calm on the surface, but he is very upset inside.

Transition metals play an important role in chemical reactions.

When he opened the door, a metallic sound echoed.

Alkali metals are very reactive chemically.

Metallic bonds are formed by ions floating in a sea of electrons.