The number of workers for each person receiving Social Security benefits is called the DEPENDENCY RATIO. An increase in the dependency ratio increases the burden on the productive part of the population and has a direct direct impact on financial expenditures on things like <span>social security.</span>
Answer:
sir you will only give me 16 points that's not enough
Answer:
Specific immunity is also called as Acquired immunity and Anamnestic response
2nd option is the answer
lymphocytes recognize, attack and destroy a pathogen
Answer: Two or more atoms joined together for a(n) molecule.
