afforestation
Afforestation is the establishment of a forest or stand of trees (forestation) in an area where there was no recent tree cover.
Basic Science
corrosion
Corrosion is defined as a natural process that causes the transformation of pure metals into undesirable substances when they react with substances like water or
Deforestation
Deforestation, in simple terms, means the felling and clearing of forest cover or tree plantations to accommodate agricultural, industrial or urban use.
digestion
Digestion is the breakdown of large insoluble food compounds into small water-soluble components so that they can be absorbed into the blood plasma. In certain
energy
Energy is the ability to do work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy, and electrical energy.
excavation
Excavation involves the removal of soil or rock from a site to form an open face, hole or cavity, using tools, machinery or explosives.
hermaphrodite
A hermaphrodite is a sexually reproducing animal or flower that has both male and female reproductive organs. Hermaphroditic animals are mostly invertebrates such as worms,
joule
Joule is the SI (International System of Units) unit of energy and work. It is equal to the amount of work done when a force
melting point
The temperature at which a solid changes its state to liquid at atmospheric pressure is called the melting point of that liquid. The melting point