I’m sorry no one helped you !
Explanation:
an atom is neutral where is an ion is either negatively or positively charged
an an atom cannot react with another atom to form a compound but an ion can react with an ion to form a compound
hope that helps
Researching is the best answer
Answer:
Because it involved many nations.
Explanation:
It was called the Great War because the world has never seen a conflict of that size. Over 59 million troops were mobilized. Many millions of people died or get injured. The conflict reshaped politically, economically, socially, and culturally Europe and the whole world.
It was named like that because the people of those days did not believe that almost 30 years after that the world would be at the most disastrous conflict of its history.
I hoped this answer helps you.
The answer is false. unit tests don't have any specific requirements.