Question

Assertion : Smog causes cough and aggravates asthma and lung disease, especially in Children. Reason : Smog is made up of smoke and fog.
Both A and R are true and R is correct explanation of assertion
Both A and R are true but R is not correct explanation to assertion
A is true but R is false
A is false but R is true.

Answer 1

Explanation:

Hydroelectricity, or hydroelectric power, is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity, and was expected to increase by about 3.1% each year for the next 25 years.

Answer 2

option b is correct answer of this question