The second one is correct
Calories indicate and measure the energy available in food. Protein each contain 4 calories per gram.
Answer:
I would do a mountain bike personally, its tougher but If you want to do mountain biking then you're going to need something like that. Mountain bikes have great tires and last a long time. Try Dicks sporting goods or any place like that. But if you want a more comfortable bike then I would look into something that allows you to change the gears of the bike.
Depression
Fatigue
Sometimes even anger!
Hope this helps! : )
