please explain why each answer is correct or incorrect. VT

Petra wants to achieve a healthy weight and lifestyle. Since Petra works from home, she wants to buy an indoor exercise bicycle. For the first week, Petra plans to ride the bike for 15 minutes each day. For the second week, she will increase her riding time to 20 minutes per day. She will continue to increase the time spent on the bike for 5 minutes longer each week until she meets her goal weight. Given this scenario, which of the following is a short-term objective? O Achieve a healthy weight and lifestyle Buy an indoor exercise bike O Exercise on the indoor bike every day Ride the indoor bike for 15 minutes each day and increase the time spent on the bike by 5 minutes each week

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