Which of the following options is correc...

Which of the following options is correct ?

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Which of the following option is correct ?

Respiratory centres are not affected by `CO_(2)`

In humans, vital capacity is just double the expiratory volume

A human lung has `10^(3)` alveoli

During inspiration, the lungs act as suction pump

For 1 mole of an ideal gas, a graph of pressure vs volume is plotted as shown. Which of the following option is correct ?

AB process is isothermal.

Maximum temperature of the gas can be `(10)/(0.0821)K`.

Minimum temperature of the gas can be `(11)/(4 xx 0.0821) K`.

None of the above

which of the following option is correct?

In living organisms, circulation of `^14C`from atmosphere is high so the carbon content is content in organism

Carbon dating can be used to find out the age of earth crust and rocks

Radioactive absorption due to cosmic radiation is equal to the rate of radioactive decay, hence the carbons content remains constant in living organisms

Carbon dating cannot be used to determine concentration of `^14C` in dead beings