Use of lead-free petrol or diesel is recommended to reduce the pollutants emitted by the automobiles. What role does lead play?

What role does cell membrane play in a cell?

Name the watery fluid secreted from Bruunner',s gland in the duodenum. Mention its two characterstics. What role does ti play inside the duodenum?

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Suspended particulate matter (SPM) is an important pollutant released by diesel vehicles. Reason. Catalytic converters greatly reduce pollution caused by automobiles.

What role does the resistance of inductor play in LC-circuit?

Explain how the use CNG in automobiles has reduced pollution in our cities.

What role does the molecular interaction play in a solution of alcohol and water?

What role does root pressure play in water movement in plants?