The answer will be the A coal.
The energy in coal comes from energy that was stored in giant plants that lived hundreds of millions of years ago in swamp forests. After some time dirt and water started to stack compressing it to rock or also known as coal.
Answer:
It must lose two electrons and become an ion.
Explanation: Hope this helps :)
When a muscle receives nerve signal contracts and pulls on a tendon.
Answer:
To put it simply, the amount of radiation from one adult chest x-ray (0.1 mSv) is about the same as 10 days of natural background radiation that we are all exposed to as part of our daily living.
Orchids are now grown through vegetative propagation, rather than seeds, courtesy of developments in cloning. This allows many orchid plants to be grown from a portion of a single orchid plant. This allows even the rare orchid o to be grown in mass. There is also little variation when cloning s done as compared to growing with seeds.