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.
Save. Flu symptoms can be seen as early as one day after exposure or as late as five days. Once symptoms occur, it is best to consult your doctor. The elderly and young children are more susceptible to the disease and are more likely to die from it. So early detection and treatment for them is critical.