The questions aren’t the same for everyone, it always changes so to be safe don’t just study 2019 questions, but the star test should be easy
Answer:
Since I cannot see the data, am trying my hardest. Check below for comments.
- The Canadian border is 3 times larger, at around 5500 miles long.
- The Southern border is more discussed. Possibly for immigration reasons. We do not have a whole lot of Canadians wanting to come here.
- The Mexico border is more talked about in terms of guarding.
- The Mexico bored is "highly defended"
Explanation:
Measure the amount of certain radioactive elements in the rock when rocks are formed, small amounts of radioactive elements usually get included as the rock ages, more and more of the uranium changes into lead.
My dad if this doesn’t help