Explanation:
Eclipse occurs when the shadow of planetary body is cast on another body. This makes part of the planetary body where the shadow is cast to experience darkness.
- Solar eclipse occurs when the moon comes between the sun and the earth.
- This causes the shadow of the moon to be cast on the earth.
- Since the moon is smaller than the earth and the earth is spherical in shape, some part of the earth will experience the eclipse.
- Other parts facing the sun will have daylight normally.
- Not all parts of the earth faces the sun at all times due to the shape and rotation of the earth on its axis. Only the part facing the sun and where the moon shadow falls will experience the eclipse.
- The moon is also smaller than the earth and the sun and so its shadow cannot cover the whole earth. It cannot perfectly obstruct light from falling on earth.
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The chemical reaction could be vary with the condition but the nuclear decay rate is constant, here the option A is the right option.
Answer:
Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atomThe atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion). A brief treatment of ionic bonds follows.
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Provides us Oxygen, takes away carbon dioxide, contains ozone which protect us from U.V radiations and act as a cold reserviour
If a volcanic reaction takes place and the lava hardens, it creates rock. If it flows into the ocean, it can even create new land.
