Which of the following uses its wings to swim in the water?

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Penguins are the birds which do not fly but swim to go from one place to another. Penguins have flippers which help them swim underwater Penguin means پنکھ دار بحری پرندہ

Explanation
Amphibian eggs can be laid in the water (top) or on land in moist environments (bottom).  Most females lay eggs in the water and the babies, called larvae or tadpoles, live in the water *** ND18-1-2023

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An invertebrate is an animal without a backbone. Worms, like earthworms, are classified as invertebrates. They lack a backbone and are found in various environments. 

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Chlorophyll  is a compound that is called a   Chelate.   Photosynthesis depends on the  presence of chlorophyll  for the absorption of light. There are about five closely related chlorophylls: chlorophyll a chlorophyll b chlorophyll c chlorophyll d chlorophyll e chlorophyll f

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Uranus is four times the size of the Earth. Uranus appears greenish in color because of the large amount of methane gas present in its atmosphere. ****

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Aluminum is the most abundant metal in the  Earth's crust , and the third most abundant element therein, after  oxygen  and silicon. ***

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There are   5  planets visible without a telescope, Mercury, Venus, Mars, Jupiter and Saturn.

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Earth and Moon Blue Planet  for  Earth The planet which has the  highest density  is?  Earth Number of  moons  on  Earth: 1 Which planet is known as a  watery planet ?  Earth 75% of Earth’s surface is  covered  by water **** ND5-5-2023

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Number of moons in the planets Saturn: 83 Jupiter: 92 Uranus: 27 Neptune: 14 Mars: 2 Earth: 1 Venus: 0 Mercury: 0

Explanation
A deficiency of Vitamin D results in  Rickets in children and osteomalacia in adults. A deficiency of Vitamin D also causes : Bone Pain Weak Bones  Skeletal Deformities. Sunlight is a good source of Vitamin D.  Additional Information: Vitamin A   deficiency causes night blindness Vitamin C   deficiency causes scurvy   Vitamin B (B7)   deficiency causes hair fall SH10-8-2023 AGM 28.02.28 ND16112023