Which of the following is true in respect of Positive growth of Population?

This happens when the birth rate is more than the death rate between two points of time. It happens when people from other countries migrate permanently to a region It occurs when the birth rate falls below the death rate Both 1 and 2

Both 1 and 2

This happens when the birth rate is more than the death rate between two points of time or when people from other countries migrate permanently to a region.