Oxygen concentration is the primary factor that controls NOx during the devolatilization process, and reducing conditions during devolatilization favor the formation of N2 instead of NOx. The residual char left after the initial devolatilization steps burns more slowly than the volatiles, and the corresponding slow rate of char nitrogen conversion to NO is difficult to control
The Answer is D
Without a host, a virus is basically inert and useless. They cannot function outside a host organism.
Your "Digestive System" breaks down food into molecules that are then absorbed into your body.
