• Why Sky is Blues?
• How the leaves Make?
• How Cement is Help to make Buildings
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Answers
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→Why Sky is Blue?
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
→How the leaves Make?
Leaves do this by using sunlight for energy to take apart water from the ground and carbon dioxide from the air. Leaves use parts of water and carbon dioxide to make sugar. This food making is called photosynthesis, a large word which means making something new (synthesis) using light (photo).
→How Cement is Help to make Buildings?
Cement is mainly used as a binder in concrete, which is a basic material for all types of construction, including housing, roads, schools, hospitals, dams and ports, as well as for decorative applications (for patios, floors, staircases, driveways, pool decks) and items like tables, sculptures or bookcases.
Answer:
Q1 Ans:
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
Q2 Ans:
Leaves do this by using sunlight for energy to take apart water from the ground and carbon dioxide from the air. Leaves use parts of water and carbon dioxide to make sugar. This food making is called photosynthesis, a large word which means making something new (synthesis) using light (photo).
Q3 Ans:
Cement is a substance used for binding and hardening other materials. ... Cement can be mixed with a fine aggregate and water to produce mortar, used in masonry construction as a bedding and adhesive to bind and fill the gaps between adjacent blocks of brick, concrete or stone.
Explanation:
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