1. In at least two complete sentences, explain why a traveler will need to visit a currency exchange. Include how erchange rates are determined.

A traveler will need to visit a currency exchange because in different countries different currency is used for bought different items. so the traveler has to change their currency to that currency in which country he is travelling.

Explanation:

If a traveler has 100 US dollar and he travelling in India, he gets Rs 7554 in exchange of 100 US dollar, while if a traveler has 100 US dollar and he travelling in Canada, he gets 140 Canadian dollars in exchange of 100 US dollar. The cost of computer parts is same but only change that occurs due to the value of currency differences between different countries. If you buy computer parts, you will get it at the same price either you travel to Canada or to India to buy the part. In 2013, the products are less expensive due to high currency value which is decrease in 2020 so the price of products increases in 2020.A traveler would need a currency exchange because in different countries the money is usually different then the place the traveler comes from. For example if the traveler is going to Mexico and the traveler brings $100, the money that will be given back when he does a currency exchange is $1,867.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.