Choose the correct alternative from the following : - Assertiona (A) : Telephone wires sag more in summer. Reason (R) : They expand due to summer heat.
Choose the correct alternative from the following : - Assertion (A) : When the bus starts, the person inside it falls forward. Reason (R) : The bus pushes the man forward.
Choose the correct alternative from the following : - Assertion (A) : DDT has nowadays lost its use as an insecticide. Reason (R) : DDT is harmful to man.
Choose the correct alternative from the following : - Assertion (A) : Carbon forms the largest number of compounds. Reason (R) : Carbon has the catenation property.