ayoismeisalex
ayoismeisalex
17.07.2019 • 
Health

Karina walks outside two times per week for 35 minutes at a speed of 3.0 miles per hour. she wants to improve her intensity. what should she do? a) walk at 3.5 miles per hour b) walk for 40 minuets c) walk 3 times per week d) walk only on flat surfaces

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