Answer:
In immunology, an antigen is a molecule or molecular structure, such as may be present on the outside of a pathogen, that can be bound by an antigen-specific antibody or B-cell antigen receptor. The presence of antigens in the body normally triggers an immune response.
Turn off the lights when not in use, turn off all appliances when not used, remove your phone from the charger when its at full charge, heaters and air conditioners should be turned off when not in use, and using a regular sharpener rather than an electric one. Hope this helps. :)
Answer:
look left maybe right or out
I believe the highest occupied electron energy sub level for carbon would be the 2p sub level, in the second energy level.
C = 1s^2 2s^2 2p^2.
