Answer:
The early stars are massive and short-lived. They consume their hydrogen, helium and lithium and produce heavier elements. When these stars die with a bang they spread the elements of life, carbon and oxygen, throughout the universe. New stars condense and new planets form from these heavier elements.
Explanation:
People who developed innovative farming methods to support large urban populations.
Answer:
Rotting of food
Explanation:
Enzymatic reaction causes molecules to change when rotting, therefore, rotting is a chemical reaction.
<u>Edward III of England.</u>
Edward III led England into the Hundred Years' War with France, which drastically changed the map of Europe, as the war lasted over 116 years.
Alan sees the star as being two times bigger than zorg does.