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Phobia

A phobia is a type of anxiety disorder, defined by a persistent fear of an object or situation. The phobia typically results in a rapid...

October 6, 2020 By Helpful Books

A Glossary of literary terms

This Application following is a list of literary terms; that is, those words used in the discussion, classification, criticism, and...

September 29, 2020 By Helpful Books

Phonology

Phonology is a branch of linguistics concerned with the systematic organization of sounds in languages. It has traditionally focused...

July 26, 2020 By Helpful Books

Electromagnetism

Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs...

June 14, 2020 By Helpful Books

Plant families

SubcategoriesThis category has the following 11 subcategories, out of 11 total.- Angiosperm families- Plant families endemic to Australia-...

June 10, 2020 By Helpful Books

Noxious weeds

A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural authority as one that is injurious...

June 3, 2020 By Helpful Books

Dinosaurs

Dinosaurs are a diverse group of reptiles[note 1] of the clade Dinosauria. They first appeared during the Triassic period, between...

June 3, 2020 By Helpful Books