Answer:
positive
Explanation:
A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge. Therefore it is a positive ion.
Answer:
The main function was to create a line of defense for the trenches.
Explanation:
Barbed wire was essential during the "trench war" which is the first world war.
This is because the army dug trenches in the ground so that soldiers could attack the enemy army while they were inside those trenches. Between the trenches of each army, there was a free space called "no man's land" that was used for soldiers to leave their trenches and enter the enemy trenches. To prevent this, barbed wire was used to protect the trenches and provide an obstacle for enemy soldiers.
The reason farming was so difficult in Greece was because, there was a limited amount of good soil and cropland.
Anne Frank wanted to be a writer, or a journalist after World War Two was over.
