Explanation

Vitamin B12 is naturally present in foods of animal origin, including fish, meat, poultry, eggs, and dairy products.

Explanation

 vitamin B12 found in

Fish and shellfish such as trout, salmon, tuna fish, and clams.

Fortified breakfast cereal.

Low-fat milk, yogurt, and cheese.

Eggs.

Explanation

Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called Megaloblastic Anemia that makes people tired and weak 

Explanation

Scurvy is a state of dietary deficiency of vitamin C (ascorbic acid).

The human body lacks the ability to synthesize and make vitamin C

Depends on exogenous dietary sources to meet vitamin C needs. 

Explanation

The loss of water vapor to the atmosphere through stomata is a passive process, meaning that metabolic energy in the form of ATP is not required for water movement.

The energy driving transpiration is the difference in energy between the water in the soil and the water in the atmosphere.

Explanation

Water has a maximum density of 4 degrees Celsius.

while

Water freezes at 0 degrees Celsius and 32 degrees Fahrenheit.

Explanation

B-complex vitamins and vitamin C are water-soluble vitamins that are not stored in the body and must be replaced each day.

These vitamins are easily destroyed or washed out during food storage and preparation.

Explanation

Mangrove swamps serve all the following function

1.       Erosion protection for the coastline,

2.       Prevention of Typhoid and hurricane damage,

3.       Entrapment of sediment washed off land,

4.       Nursery for many aquatic organisms,

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Explanation

The stamen is the male reproductive organ.

It consists of a pollen anther and a long supporting filament.

Explanation

The sartorius muscle is a thin, long, superficial muscle in the anterior compartment of the thigh.