Answer:
1) Complement System, Lymphatic System, and Circulatory System
2)Tonsils can stop germs entering the body through the mouth or the nose. Spleens filter your blood, destroying old and damage red blood cells.
3)Your skin is a waterproof barrier that secretes oil with bacteria-killing properties.
Explanation:
Answer:
more nitrogen compounds
Explanation:
when water is polluted by sewage many microorganisms is present so we can deduct the 1st ans.
as water is polluted the environment is not suitable so living organisms so unpolluted water has more fish than polluted.
there cant be more oxygen in a place where it s polluted coz plants which grow under water wont grow as it is polluted
more nitrogen compounds is the answer because nitrogen compounds are made due to the reactions in polluted water.
hope this helps,
Answer:
A virus attaches itself to cells and usually reprograms them to reproduce itself. Also, unlike bacteria, most viruses do cause disease. Some virus-caused diseases include the common cold, AIDS, herpes, and chickenpox
Explanation:
I think the correct answer from the choices listed above is option C. It is the fireplace that burns wood that should be considered as a <span>nonrenewable energy resource to generate energy. This is because wood is used up when burned and it cannot be obtained back once used.</span>