It was God who showed them.
Answer:
They were never lost to begin with. God guided them (Numbers ch.9) and told them where to go (Deuteronomy ch.2 and other passages).
The number of israelites killed in the wilderness were many. as the bible says the entire generation of people who made the golden calf walked and died in the wilderness.
The Exodus refers to the Israelites' departure from Egypt, but can be used more generally to include the wanderings in the wilderness as well.
Exodus and Joshua both mention the food eaten.
Moses.
who were the people wandering in the wilderness
Presumably, yes.
Manna
AnswerAccording to the Bible, the Israelites were given manna and quail.
Yes as they had to look after their cattle, and collect manna.
yes
They survived (Numbers ch.20) and accompanied the Israelites into Israel (Numbers ch.32).
A pillar of fire (Exodus ch.13).