Antibodies, also called immunoglobulins, are proteins manufactured by the body that help fight against foreign substances called antigens. When an antigen enters the body, it stimulates the immune system to produce antibodies. (The immune system is the body's natural defense system.) The antibodies attach, or bind, themselves to the antigen and inactivate it.<span>
Read more: <span>http://www.scienceclarified.com/Al-As/Antibody-and-Antigen.html#ixzz4YlY105DD</span></span>
        
                    
             
        
        
        
answer: country grasslands, African trees, and African Savannah.
or just like more dry  lands.
 
        
             
        
        
        
a chemical landfill is where chemical waste is stored once it has been used 
if it is secure it means that the waste cannot pollute the environment through water, air etc
 
        
             
        
        
        
Answer: yes
Explanation: well <u>Chicken pox</u>  is a <u>virus</u> that causes an itchy rash but 1995 
 A vaccine for chicken pox was developed in 1995 Vaccines are more effective on ethnicities that are highly susceptible to a disease.