In developed countries, the birth and death rate are low, whilst in developing countries, both the rates are high. Developed countries usually are more industrialized and have higher per capita income levels, whereas developing countries, are less industrialized and have lower per capita income levels.
B. keep a food journal to track serving sizes and portions.
One cardiovascular activity that can be performed by adults at an average fitness level is burpees, this is done by a push-up then a jump in the air. One strength training activity is cycling, this is done by riding a bike and is pretty easy
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