GAO report said hundreds of planes flying commercially today could be vulnerable to having their on board computers hacked.
The main continent would be South America. Llamas originated in North America, then migrated south to South America, and inhabited what is now Peru.
Answer:
I believe it is b
Explanation:
The industrial revolution provided more jobs for people in factories for mass production, so people moved to cities to work in the factories.
Increased use of insulation in a home is very useful when it comes to having a better quality air in the home. With proper insulation, lots of the things that can cause an air pollution are neutralized. Dust and other pollutants are stopped on the filters and they can not get inside, thus allowing you to have a better quality air indoors.
Wind increases the supply of oxygen, which results in the fire burning more rapidly. It also removes the surface fuel moisture, which increases the drying of the fuel. Air pressure will push flames, sparks and firebrands into new fuel. ... Wind influences the rate of spread and intensity of the fire.