Explanation 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.

Explanation 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

Explanation 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. ****

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

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

Explanation 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

Explanation 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

Explanation Explanation Amnesty International is a non-governmental organization it focused on human rights. Founded July 1961 Explanation An ethnic and territorial conflict between Armenia and Azerbaijan over the disputed region of Nagorno-Karabakh, inhabited mostly by ethnic Armenians, and seven surrounding districts, inhabited mostly by Azerbaijanis until their expulsion during the First Nagorno-Karabakh War. Explanation Plimsoll line a marking on a ship's side showing the limit of legal submersion when loaded with cargo under various sea conditions Explanation The modern two-party system consists of the "Democratic" Party and the "Republican" Party. Explanation The Kotri Barrage, also known as the Ghulam Muhammad Barrage, was opened in 1955. Explanation The " Aid to Pakistan Consortium" meets every year in Paris *** In 1960 the World Bank organized the Aid-to-Pakistan Consortium to f acilitate coordinatio n among the major providers of i nternational assistance. The consortium held 92 percent of Pakistan's outstanding disbursed debt at the end of June 1991. NA21-8-2023 Explanation Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients. Common materials used to manufacture cement include limestone, shells, and chalk or marl combined with shale, clay, slate, blast furnace slag, silica sand, and iron ore. Explanation John Brodrick  was a British Army general  Explanation Monarchy rule is in the England

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