Sudden changes: Cracks in the Earth from earthquakes, lava plateaus from volcanic reactions, Gradual changes: mountains, coasts, river valleys, glacial valleys
naja-stewart
naja-stewart2
The Sudden Storm was created on 1974-01-19.
jokulhlaups, formed by the sudden activity of melting glaciers. Also possibly Jungle. Other answers unknown.
catastrophism
The population will become extinct.
Gravitational force Tectonic force Diastrophism
It is usually slow and gradual, but such things as storms can cause sudden changes.
The Esperanto words for sudden and gradual are subita and laŭgrada.
The opposite of sudden is gradual.
The antonym form of the word 'gradual' is sudden.
Gradual
No they're antonyms
Sudden
sudden Widespread Gradual Time
Geological changes to the Earth's crust is gradual but continuous within uniform processes.
The opposite of abrupt could be gradual, slow, or incremental.Calm, kind, nice...
A buffer solution.
All of a Sudden was created in 1982.