Answer:
the answer is true
Explanation:
I looked up the definition and B cells are activated and they proliferate to produce antibody become cells that produce antibodies for that antigen .
3. Fuel. Since you thermostat controls when your heat should kick on which is usually run by gas or oil depends on what your house uses. Though Yeah, generally you save fuel.
It’s C because most exercise machines require less skill to use than free weights.
It acts as a barrier to the tooth and bone structure