Methane. Methane is an odorless, colorless flammable gas. It is used primarily as fuel to make heat and light. It is also used to manufacture organic chemicals. Methane can be formed by the decay of natural materials and is common in landfills, marshes, septic systems and sewers.Methane can form an EXPLOSIVE mixture in air at levels as low as 5 percent.t is also used to manufacture organic chemicals. Methane can be formed by the decay of natural materials and is common in landfills, marshes, septic systems and sewers. Methane can form an EXPLOSIVE mixture in air at levels as low as 5 percent.
â¢ PALEOLITHIC AGE (noun). The noun PALEOLITHIC AGE has 1 sense: 1. second part of the Stone Age beginning about 750,00 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC. Familiarity information: PALEOLITHIC AGE used as a noun is very rare.
Slide 3: Prehistoric art is divided into two periods-Paleolithic Neolithic The first period is called the PALEOLITHIC period, otherwise known as the OLD STONE AGE. The Paleolithic period was from 30,000 - 10,000 B.C..The second period is called the NEOLITHIC period, otherwise known as the NEW STONE AGE.lide 3: Prehistoric art is divided into two periods-Paleolithic Neolithic The first period is called the PALEOLITHIC period, otherwise known as the OLD STONE AGE. The Paleolithic period was from 30,000 - 10,000 B.C.. The second period is called the NEOLITHIC period, otherwise known as the NEW STONE AGE.