Answer: it is easy
Explanation:
defenition: A landslide is defined as the movement of a mass of rock, debris, or earth down a slope. Landslides are a type of "mass wasting," which denotes any down-slope movement of soil and rock under the direct influence of gravity.
causes: Landslides are caused by disturbances in the natural stability of a slope. They can accompany heavy rains or follow droughts, earthquakes, or volcanic eruptions. Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris.
effects: The negative effects of landslides are: they damage/destroy ecosystems, harm agriculture, damage built infrastructure, lead to economic losses, deaths, social disruption and can lead to other hazards.
precautions: To keep landslides from hitting your home and property, consider adding nets, retaining walls, and planting sturdy vegetation, especially on slopes or in places where wildfire has destroyed plants and trees. Do not remove vegetation that may help prevent erosion. Add sandbags in exposed areas.
Answer:
Power of a lens is its ability to converge or diverge the rays of light falling on it. Power of a lens is equal to reciprocal of
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