The market for electric cars is growing substantially. By contrast, after recent scandals involving high pollution levels, Diesel cars are becoming less popular and may eventually leave the market entirely. Diesel cars appear to be in the stage of the product life cycle.

decline.

Explanation:

The decline stage of the product's life cycle is marked by declining sales and product profitability. Generally, in this phase, the product begins to be replaced by new technologies, becomes outdated and goes into disuse.

It is important for companies to be aware that when entering this phase, the product needs redesign planning, so that improvements are implemented that make it updated to be relaunched in the market and then start another life cycle.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.