According to the biological characteristics of teeth roughly appear to belong to a child aged 12 to 18 months.

Water quality refers to the chemical, physical and biological characteristics of water.

No distinctive change was found in their biological characteristics.

Each type of manure has its own physical, chemical, and biological characteristics.

The chemical, physical, and biological characteristics of water, usually in respect to its suitability for a particular purpose.

Of these, biological characteristics often have an evolutionary basis.

Intersex people have biological characteristics that are ambiguously either male or female.

To achieve this, isotopes are used because they have similar chemical and biological characteristics.

These biological characteristics, however, are not present in tocopherols.

Tests measure physical, chemical, and biological characteristics of the wastewater.