Question

thank youvery much
for your ans​

Answer 1

Answer:

Let us take a battery and bulb and form a circuit. When the switch is on then the bulb glows showing the passage of current but when a piece of thermoplastic is joined in the circuit the bulb does not glow. This shows that the thermoplastic is a poor conductor of electricity.

Answer 2

Tobacco smoking can lead to lung cancer, chronic bronchitis, and emphysema. It increases the risk of heart disease, which can lead to stroke or heart attack. Smoking has also been linked to other cancers, leukemia, cataracts, and pneumonia. Smokeless tobacco increases the risk of cancer, especially mouth cancers.