glass ceiling. An unacknowledged — and ultimately illegal — barrier to advancement, especially for women and people of color: “In many professions a woman cannot break through the glass ceiling to the upper level of management.” The term dates from the 1980s.
The answer is A. AAR CAT GGA
Answer:
The answer is A
Explanation:
https://blog.thepondguy.com/2011/04/01/why-do-frogstoads-make-so-much-noise-pond-lakes-qa/
Immunization is simply making your immune system more robust to fight againts antigens !!
As simple examples are Bresat feeding of child, Antibody injected after snake bite, Vaccines injected !!
Two types of immunization is there a)Active and B) Passive !!
if you wanna know more comment !!