Carla a grade six pupil has 24 sheets of art paper for his project in math. if 6 sheets of art paper were used by Carla , what percent of the sheets of art paper did she use?

Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe. 

Class a has morehave a nice day !

It is answer a food distribution centers