The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. The rule is that a driver should ideally stay at least two seconds behind any vehicle that is directly in front of his or her vehicle.
clause within the United States Constitution that grants Congress the power to pass whatever laws are deemed “necessary and proper” to help Congress to carry out the enumerated powers
we need standard unit for measurment to make our judgement more reliable and accurate. For proper dealing ,measurment should be same for everbody.thus......
