Answer:
Lead
Explanation:
The economic success of United states was in no way imparted by the mineral lead.
In fact, the mineral is considered a toxic pollutant and has been banned. The United States like most countries are not interested in lead as a viable economic option.
It was once used in paints because they produce a highly durable mix.
Also, it was an additive in gasoline. This has been banned.
Answer:
The total number of species living in a particular area is referred to as its Biodiversity .
Explanation:
Biodiversity -
Biodiversity is defined as the variability and the variety of life existing on the planet Earth . Biodiversity measures the variation in the species , genetics and the ecology of the Planet . In the terrestrial level , the biodiversity is greater near the equator , due to warmer climate and higher level in production .
The biodiversity is not uniformly distributed on the planet , and is basically richer in the tropical region . Less than 10 percent of the Earth's surface is covered by the tropical forest ecosystems and contains around 90 percent of the world's species .
The diversity of marine life is higher near the Western pacific and in the mid latitude band , where the sea surface temperature is highest .
<span>to improve life for the people in rural and urban areas</span>
Johannesburg is the South African city that is a regional hub of commerce and has South Africa's premier international airport. Johannesburg is not one of Africa's 3 capital cities, but it is the seat of the Constitutional Court, which has a final word on South Africa's constitution.
