Name the plant souce of the drug popularly called 'smack'. How does it affect the body of abuser?

Name the plant soruce of ganja. How it affect the body of the abuser?

What are weeds ? How does it affect the yield of crop ?

How does heavy rain affect us?

Name an opioid drug and its source plant. How does the drug affect the human body?

Describe the condition termed as atheroscelerosis. How does it affect the body?

Name one plant and the addictive drug extracted from its latex. How does this drug affect the human body?

Name the transport tissue of Plant body?

The amplitude of a simple harmonic oscillator is doubled. How does this affect the period

The amplitude of a simple harmonic oscillator is doubled. How does this affect the total energy.