D. Answer these questions.
1. What are the effects that a force can have on an object?
2. How can you electroplate an iron nail with copper? Explain with the help of a diagram,
3. Explain why a swimming pool full of water appears less deep than it actually is.
4. What are the uses of artificial satellites?
5. a. Discuss the sexual changes that occur in male and female humans during adolescence.
b. List the secondary sex characteristics that also change during adolescence (no descriptions
required)
1. What are the effects that a force can have on an object?
2. How can you electroplate an iron nail with copper? Explain with the help of a diagram,
3. Explain why a swimming pool full of water appears less deep than it actually is.
4. What are the uses of artificial satellites?
5. a. Discuss the sexual changes that occur in male and female humans during adolescence.
b. List the secondary sex characteristics that also change during adolescence (no descriptions
required)
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so many questions
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natural disaster is a major adverse event resulting from natural processes of the Earth; examples are floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, storms, and other geologic processes. A natural disaster can cause loss of life or damage property,[1] and typically leaves some economic damage in its wake, the severity of which depends on the affected population's resilience (ability to recover) and also on the infrastructure