density of natural gas there is no one correct starting sea level density of natural gas since natural gas densities vary depending on where the gas was obtained gas from the north sea russia or shale gas will all have different densities typically in the range of 0 7 to 0 9 kg m3
A. It takes approximately 24-48 hours for initial symptoms to appear after exposure to the influenza virus. If you suspect you have the flu, seek medical treatment quickly.
The Usual Time Frame. Symptoms typically begin 1 to 4 days after you've been infected with the flu. According to Flu.gov, you're contagious for about a week, beginning about a day before your symptoms develop.Chills and fever are often the first symptoms to appear, with a fever of 102 to 103 degrees Fahrenheit (39 degrees Celsius) being common.hristopher Robbins/Photodisc/Getty Images. If you're unlucky enough to get the flu, it can feel as if it's lasting forever. But for most otherwise healthy adults, it will be gone in 1 or 2 weeks. Many factors can affect how quickly you recover, including your age and other health conditions.