I believe it is written constitution so B.
Answer:
To avoid Hyper-oxygenation
Explanation:
Crucian carp have the ability to increase gill surface to maximize oxygen intake, or reduce overall area when under specif circumstances. If the fish does not need so much oxygen it will cover the protruding lamellae to reduce oxygen intake and avoid Hyper-oxygenation.
Frequency of attending religious services
Answer:
500 kilo calories extra is needed for the initial 6 months that can be met by eating healthy and protein rich food.
Explanation:
five hundred kcal for initial 6 months and four hundred kcal for the next 6 months is required for a breast feeding mother.
lack of protein can reduce casein in mother milk, that is vital for calcium in babies.
other nutrients such as vitamin (B12 , B6 , C , A) etc ate required by baby.
newly born babies in their initial stages have little of other nutrients so they rely on mother milk for it.
<u>COMPARISON</u>
Energy required during lactation 2500 kcal as compare to pregnancy which is 2450 kcal,
proteins are required in equal amount that is 71 g.
vitamin A required during pregnancy is 770 μg and during lactation is 1300 μg.
calcium, zinc, iron, vitamin B12 and other nutrients are required in approximately same quantity during pregnancy and during lactation.
