A dwarf is a person of short stature - under 4' 10 as an adult. More than 200 different conditions can cause dwarfism. A single type, called achondroplasia, causes about 70 percent of all dwarfism. Achondroplasia is a genetic condition that affects about 1 in 15,000 to 1 in 40,000 people. It makes your arms and legs short in comparison to your head and trunk.
Definition of NAPHTHALENE. : a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis.See naphthalene defined for kids. a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis. See naphthalene defined for kids.
Most naphthalene in the environment will turn into a gas. Some of it may be bound to soil, where it can be taken up by plants. It can also be deposited on plant leaves from the air. Naphthalene is broken down by bacteria, fungi, air, and sunlight. Naphthalene has been found in wastewater treatment plant discharge.No information was found on naphthalene and groundwater. The half-life of naphthalene in the environment may range from less than one day in air to over 80 days in soil.hen naphthalene gas is inhaled, the body breaks it down into other chemicals that react with cells in the body and damage tissues. How naphthalene kills moths is not understood. The odor is thought to be unpleasant enough to drive animals away in repellent products.