Review the table below. Note: the exchange rates are just examples and are not intended to be accurate. You will use the information in the table and what you learned in the lesson to answer the questions that follow. Country and currency2013 U. S. currency exchange rate2020 U. S. currency exchange rate

Canada (Canadian dollar, or CAD)1 USD = 1.50 CAD1 USD = 1 CAD

India (Indian rupee, or INR)1 USD = 50 INR1 USD = 70 INR

South Africa (South African rand, or ZAR)1 USD = 8 ZAR1 USD = 12 ZAR

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

You have $100 in the United States. Imagine you are visiting India in 2020 to check out new products. How much would your $100 be in Indian rupees? (Be sure to show your work.)

You read about a new invention in Canada. You consider traveling there instead. In 2020, how much would your $100 be in Canadian dollars? (Be sure to show your work.)

In 2020, a computer part costs 100 CAD in Canada, and the same part costs 5600 INR in India. Should you travel to Canada or to India to buy the part? Explain your answer

You buy certain supplies in South Africa. Would it have been less expensive to buy these supplies in 2013 or in 2020? Explain your answer in complete sentences.

If there were no system of checks and balance, the process of government would eventually fall apart. do you agree with this opinion? why or why not?

This is the mountain range known as the alps. which of these statements regarding the alps is true? a) the alps are the largest mountain range in asia. b) the alps protect the roman empire from invasion. c) the alps were key in preventing england from being conquered in warfare. d) the alps prevented the roman empire from taking control of most of europe.

Running and sleep. sufficient sleep is important for adolescents for both their neural and psychological development. despite this, daytıme sleepiness and poor physical and psychological functioning related to chronic sleep disturbances are common. there is a growing body of evidence that exercise is associated with both better sleep and improved psychological functioning sixty participants were recruited from a high school in northwesten switzerlandthey were randomly assigned to either a running group or a control group, 30 to each group the running group ran every moming for a little over 30 minutes on weekdays for a three-week period. all participants used a sleep log for subjective evaluation of sleep, and sleep was also objectively assessed at the beginning and end of the study using a sleep electroencephalographic device that measured quantities such as sleep efficiency and time spent in the four different sleep phases. running was found to have a positive impact on both objective and subjective measures of sleep functioning what are the explanatory variable(s) and the response variable(s)? (a) outline the design of the experiment (b) (c) here are some more details on the treatment and control groups. all participants arrived at school at 7 a. m., and the running group did two laps on the track and then ran cross countrv in groups of at least four people for 30 minutes the control group remained seated at the track, worked on horpework. and interacted with each other. when the runners returned, all participants prepared for school and ate a breaktast that was provided. iwhy do you think the experimenters had the control group arrive at 7 am interact withdassmates and have breaktast together? explain. do you think having the control eroup do these activities is important for the types of conclusion that can be reached? how?