answersLogoWhite

0

yes that is true it has

User Avatar

Wiki User

13y ago

What else can I help you with?

Related Questions

How and why has the air quality changed in the United State over the last thirty years?

Air quality in the United States has generally improved over the last thirty years due to stricter regulations on industries, vehicles, and emissions. The Clean Air Act has played a significant role in reducing pollutants such as sulfur dioxide and lead. However, challenges remain, especially concerning air pollution from transportation and wildfires.


How can you improved air cooling in old cars?

You open the windows. -That is one of the many ways cars have improved over the years.


How has the air quality changed in the United States in the last 30 years?

In the last 30 years air quality has generally improved. Amount of most major air pollutants have decreased. Many newer cars cause less pollution.


Between 1960 and 1979 did the air quality improved?

True


What was not improved by the use of steam engines in the 19th century?

Air Quality


What can be improved by using alternative forms of transportation and regulating industries?

Air quality and pollution can be improved by using alternative forms of transportation and regulating industries.


What are the benefits of installing an air conditioner wall unit in a room?

Installing an air conditioner wall unit in a room provides benefits such as efficient cooling, improved air quality, and increased comfort during hot weather.


How often should air ducts in a house be cleaned to maintain good indoor air quality?

Air ducts in a house should be cleaned every 3-5 years to maintain good indoor air quality.


How effective is spray foam ductwork insulation in improving energy efficiency and indoor air quality?

Spray foam ductwork insulation is highly effective in improving energy efficiency and indoor air quality. It helps to seal and insulate ducts, reducing energy loss and preventing air leaks. This can lead to lower energy bills and improved indoor air quality by reducing the infiltration of pollutants and allergens.


How often should house air vents be cleaned to maintain good indoor air quality?

House air vents should be cleaned at least every 1-2 years to maintain good indoor air quality.


What are the benefits of installing a Fujitsu ductless air conditioner in your home?

Installing a Fujitsu ductless air conditioner in your home can provide benefits such as energy efficiency, customizable comfort settings, improved indoor air quality, and quiet operation.


What were the three ways that railroads improved between the years 1860 and 1900?

Knuckle couplers Air brakes Signalling systems