The earth is said to be in a state of perpetual change, meaning everything is constantly changing. Some examples of these changes are:

· Volcanos are constantly erupting and by this they are changing the landscape around them.

· Continental drift is happening as we speak.

· Mountains are growing and shrinking due to erosion.

· Climates are changing; an example is rain forests are turning into deserts.

· Animals are changing for the environments.

Natural environment Interactions between spheres Adaptations of animals

a. Africa Africa, the arctic, Brazil and the middle east all have interactions between spheres. For example in Africa the atmosphere and the lithosphere combine to make cracks in the ground. · Animals don't drink, they get water through food· They learn were water is · They change for the environment by losing fur and fat· They retain moister· Don't urinate

b. Arctic · Animals have grown fat, blubber and fur· Humans get f

The "World Conservation Strategy" is that we shouldn't exploit natural resources so that we destroy them. We shouldn't interfere with the basic process of life on earth, and we should preserve the diversity of life.

People started to build houses to get out of the rain and the cold. To do this they had to get material to build the houses, so they chopped down trees. But then what were they to do about food? Normally they would travel from place to place using what they could and then moving on to the next place. So they chopped down more trees and cleared more land so the could plant crops and farm animals. In a small way this stared to affect they way the four spheres work together. This mainly affected the biosphere and the lithosphere, with some animals getting kicked out of there home and some being fenced into a new one.

Middle east · Humans use their intelligence to make shade and find edible food· They make pots to cook on and to eat from

Nine thousand years ago humans started to change the world fo

Some common words found in the essay are:
Africa Africa, Eaten Eaten, EARTH-NEW WORLDS, Conservation Strategy, · animals, pots cook eat, change environment, plant crops, pots cook, · humans, oil spills, middle east, · pollute, build houses, cook eat,
Approximate Word count = 686
Approximate Pages = 3 (250 words per page double spaced)