food web is a set of interconnected food chains. It is also called the food network.The food web ...

Galaxy is a word that derives from the Greek term kyklos galaxies which means "milky circle". A g...

Uranium is a radioactive chemical element found in nature and used mainly for the production of e...

Qualitative and quantitative research are complementary methods of scientific investigation in or...

Chaos theory is the idea that small changes at the beginning of an event can trigger drastic chan...

neurons are the cells that make up the nervous system, responsible for conducting, receiving and ...

Case study (or simply marry) is scientific research strategy which analyzes a real phenomenon con...

Human evolution is a theory that indicates that the evolutionary process started with the first f...

chromosomes are DNA composite structures which, in turn, carry the genes of a living being, respo...

Descriptive research is one of the classifications of scientific research, in which its objective...

acid rain is an atmospheric phenomenoncaused on a local or regional scale, by the precipitation o...

Time zones correspond to standardization of schedules in different places on planet Earth.The spi...