Speciation is not a mechanism of microevolution.
This is true , trees loose their leaves as a part of growth, also in seasons they loose leaves.
The set point is the normal, or target, value for something.
Answer: They lead to increased levels of carbon dioxide and other greenhouse gases in the atmosphere which causes the greenhouse effect.
Renewable resource: Sunlight, water, wind,
Norenewable: coal, natural gas, oil
Since fossil fuels are located all over the world, it makes it much easier to create electricity from them than things that are hard to come by.
Explanation:
Hope this helps
