Answer:
he said that the planets are orbiting the sun in a path described as an ellipse
The way that scientist determine when an era begins and when it ends is : Mass extinction of an organism
For example, millions years ago, the world was under the era of dinosaurs, which were simply the most superior beings on earth during that time, after they became extinct, the earth enter the era of the mammals
Answer:
Role conflict refers to the psychological effects of being faced with two or more sets of incompatible expectations or demands, while Role overload describes the difficulties of meeting these expectations.
There are several fuels such as coal, gasoline, gas, oil, among others that have different uses to facilitate the lives of humans.
<h3>What are fuels?</h3>
Fuel is a term to refer to any material capable of releasing energy when violently oxidized with the evolution of heat.
The most popular fuels are:
- Charcoal.
- The gas.
- The oil.
- The gas.
- Timber.
Some examples of the use of these fuels are:
- Running a car on gasoline.
- Cooking in the house.
- Cook on a wood stove.
- Running a coal engine like trains
Learn more about fuels in: brainly.com/question/981208
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