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Negative - it is really hot in the day and really cold at night. Positive - it is beatiful
1) The ecological effects of oil, and 2) the dependence on oil, since it is not an unlimited resource.
I use this product often. The positive effect is that it lubricates the fuel pump which is in the gas tank and cleans and lubricates the injectors plus lubes upper cylinder walls. I don't know of or heard of any negative effects about using this product.
The benifits of using oil for heating is that it does not have negative enviroment effects.
Taken in recommended dosages sesame oil is not associated with any negative side effects.
pollution, oil spills, endangered animals, etc
if oil spill happens maybe it happened in the sea for example then animals are going to turn black because of the oil. This is not actually a positive thing to happen. It is negative which means it's a bad thing to happen.
Oil is good because it brings us many things but it is toxic and dangerous.
Oil is an inexpensive form of heat fuel, lubricant, transportation, and can be used to generate electricity.
There is no mining or oil exploration in Antarctica: it's too cold.
Negitive because it can cause fires.
Angola is one of the largest countries in Africa, and is poverty stricken. However, they have rich veins of both oil and diamonds in their territory which is the main source of income. This has both positive and negative effects on the people there.