I think it's CARBON DIOXIDE
I am not sure.
Answer:
B
Explanation:
I'm pretty sure it's B, because I've had this same exact question yesterday. If it's not right, please don't be mad at me!
Answer:
Explanation:
Active - the process of exposing the body to an antigen. Exposing the body will generate an adaptive response that takes a few days or weeks to develop and can be life long lasting.
Passive - it is provided when we are given antibodies to disease. Instead of producing the antibodies with the immune system, they are given. Like a newborn baby acquires immunity from the placenta.
Natural - it works to fight off pathogens before they begin an active infection. Sometimes it is not enough to stop the pathogen or the pathogen exploits the immune response and gets to the cells.
Answer:
b) An insured who has recovered from a disabling injury will be required to repay the insurer for any premiums that were waived
Explanation:
Waiver of premium is a clause or rider in an insurance policy in which insured is benefited by not paying the premium for his policy in case he suffers from disability for period of disability . For it he is charged with some premium .
Once waived , the premium need not to be repaid back to the insurer , even if he has recovered from disability,
