To improve <span>cardiorespiratory fitness a person should participate in aerobic exersises of moderate intensity for approx. 30 minutes threeto four times a week</span>
The point of view dictates our viewpoint into knowing things, whether that be from a third-person omnicscent to a first-person tell of tale. With your specific point of view comes things in detail for each kind.
The answer is b. regardless.
<em>Robins are to birds as </em><em>dogs</em><em> are to </em><em>mammals</em><em>.</em>
robin: bird :: dog: mammal
The relation is one hyponym -- a word which is part of a bigger group sharing some characteristic -- and the superordinate -- the term that units all hyponyms.