The first of the four stages of coal formation is lignite coal.
There are four stages of coal formation:
1. Peat,
2. Lignite,
3. Bituminous and
4. Anthracite.
The bacteria has removed a large portion of the other constituents of the plant matter and left around 25 to 34 percent.
Most important weather phenomena occur in the layer of Thermosphere.
Most of the weather phenomenon occur in the layer of Troposphere.
Plants wilt due to excess of Transpiration.
A glass is made of liquid sand. You can make glass by heating ordinary sand and made into a liquid and mix with silicates to form a glass.
We know that All compounds are molecules, but not all molecules are compounds.
Water is a molecule because it is made from atoms that have been chemically combined. It is also a compound because the atoms that make water are not all the same - some are oxygen and some are hydrogen.
Hence, Water is a molecule and a compound.
DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.
Ichthyology is the branch of biology devoted to the study of fish.
It is also known as Fish science which includes bony fishes (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha).
The concept of carbon credit for manufacturers originated with the Kyoto Agreement (Protocol) of 1997.
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