Britain is an informal term for Great Britain.

England is a country, while London is a city inside England.

England is a country that shares its borders with Scotland and Wales. Great Britain is an island comprising of Wales, England and Scotland.

Predator hunts Prey. A predator is an animal who hunts other animals; while, a prey is that animal that is hunted by other animal. Both, of these animals are necessary for maintaining the ecological balance of the Earth.

Temperature is the measurement of the average kinetic energy of the particles of an object. It measures the degree of hotness or coldness. On the other hand, heat is basically the energy transfer between objects due to the temperature variation. It flows from the high temperature location to low temperature location.

Median is calculated by determining the middle or average of middle values in the sorted list of numbers. Average is calculated by adding all the numbers in the list and then dividing this number with the number of members in the list.

Forging and casting are two different techniques used for transforming metal materials into the desired form in context to shape and size. Forging makes use of compressive forces, whereas casting makes use of mold cavities where metal liquid is poured and then solidified to form into the desired shape. Forging process is considered to be better than casting due to its production of parts with denser micro-structures, better grain patters and less porosity.

Maser generally refers to a device which is used for creation and amplification of an intense and coherent beam of high frequency radio waves. Laser is same as the maser, but it specifically applies to infrared or optical wavelengths only.

Banana is a famous fruit which is derived from a high herb, popularly known as the banana tree or plant. It is very nutritious and is derived from a perennial plant. Plantains can be considered as a variety of banana which is generally not eaten raw due to its non sweet flavor. Both banana and plantain belong to the same family of Musaceae.

Zoology and Geology are two totally different fields, which deals with biology and ecological studies. Zoology is the study of animal science related to biology; while geology is the study of solid Earth and its components related to the ecology.

Copper is a reddish brown colored metal known for its strength and thermal conductivity. Brass is an alloy of copper and zinc. The varying proportions of copper and zinc in brass define the properties of this alloy.

Botany and Zoology are vast Biological branches. Botany deals entirely with the study of plants, while Zoology deals with animal studies.

Meiosis in males and females differ greatly in context to aspects like timing and continuity of events. The process in males and females also differ especially in terms of the actual gamete produced. Meiosis in males starts after puberty and continues throughput life. On the other hand, in females, the process begins nearly at the 12th week of fetal life and it does not resume until puberty.