Question

what is antigens ? ​

Answer 1

Answer:

a substance that enters the body and start the process that can cause diseases, the body then usually produce substance to fight antigens..

Explanation:

there are 3 types of antigens:-

1. Exogenous antigens.

2. Endogenous antigens.

3. Auto antigens

and if you don't understand this ,so let me know

I'll let you know the second definition. And I think that's one will easier to learn

Answer 2

Answer:

Direct democracy or pure democracy is a form of democracy in which people decide on policy initiatives directly. This differs from the majority of currently established democracies, which are representative democracies.Direct democracy or pure democracy is a form of democracy in which people decide on policy initiatives directly. This differs from the majority of currently established democracies, which are representative democracies.Direct democracy or pure democracy is a form of democracy in which people decide on policy initiatives directly. This differs from the majority of currently established democracies, which are representative democracies.