The mantle is the mostly-solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth's total volume.
Answer:
The good ozone layer can be described as the stratosphere part of the atmosphere which protects the Earth from harmful ultraviolet radiations from the Sun. The good ozone layer is however in a serious depleting condition due to human activities.
On the other hand, bad ozone layer is the part of the troposphere which is polluted. Emissions of toxic gases from human activities is the leading cause of this kind of pollution.
Answer:
1) start as a carbon molecule in the atmosphere
2) taken in by trees through photosynthesis
3) carbon is taken into decayed organism
4) then it is taken into dead organisms and waste products underground
5) millions of years later, it is stored in a fossil
6) fossil fuels used by factories then emit carbon dioxide back into the atmosphere (back to starting position
if you want the whole cycle then..
7) used again by a tree
8) released as organic carbon (some)
9) tree leaf is eaten by an animal, which then releases carbon either from respiration or when it dies