Hills can become mountains if they are pushed upward by magma bulging out, or tectonic plate actions. Hills can also become eroded away by the forces of wind and water.
live life
The natural change occurring in communities or ecosystems over time is referred to as Evolution.
A particular form of Motorcycle Racing, characterised by racing over a route of rough terrain and taking advantage of natural hazards such as streams and hills.
No natural diamond will change colour.
Natural selection
Selection pressures
Deregulation
Yup, they over-dramatize everything. And sometimes the producers will tell them to change around their wording.
Yes
evolution
Darwin proposed that there are many forces that cause living things to changes overtime and one of these forces would be climate. Climate can change organisms and make them adapt.
Any change over time is called rate