Of its valence electrons or the no. Of valences in its Valence shell .In case of noble gases, their outermost shell is absolutely crammed so no emptiness is available in the outer maximum shell. Thus the oxidation kingdom is 0(zero)for Noble gases. Because, they've complete electrons in their out maximum shell.
hope this helps
Answer:
The correct answer is A. transplanted organs contain antigens that can trigger white blood cell activity
Explanation:
The body's immune system is designed to seek out and destroy any foreign object it finds in the body, such as a cold or flu virus - or a transplanted organ. The process of destruction of the transplanted organ is called rejection.Immunosuppressive drugs will be provided to prevent your immune system from damaging the transplanted organ. Organ transplants require the use of immunosuppressive drugs capable of controlling the immune response triggered by the presence of antigens foreign to the body itself. The group of immunosuppressants is made up of drugs indicated both in the prevention of rejection of the transplanted organ and in its reversal.
Answer:
Option (A)
Explanation:
Environmental justice usually refers to a significant portion of the struggle that is extensive carried out in order to improve, upgrade and maintain a clean, hygienic and healthy environment. This struggle is mainly for those people who have traditionally lived, worked and was closely associated with the sources of various types of pollution.
This can also be simply considered as precautionary measures that are taken in order to prevent nuclear destruction, creation, and disposal of hazardous waste materials and other factors that have the potential to affect the resources on earth such as land, wind, water, and food.
Thus, the above given dimensions of environmental problems are issues of environmental justice.
Hence, the correct answer is option (A).
The answer is actually 4.4 billion years, but i guess you can estimate to 4.5
