Given below are two statements:
Statement (I): LD 50 is the dose or amount of pesticide which would kill 50% of the test animals if ingested or absorbed through skin.
Statement (II): LT 50 is the concentration of a single pesticide which is lethal to 50% of the test animals if ingested or absorbed through skin.
In light of the above statements, choose the most appropriate answer from the options given below.
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Distinguish the toxicological terms:
$\text{LD}_{50}$ $\rightarrow$ Lethal Dose (expressed in $\text{mg/kg}$).
$\text{LC}_{50}$ $\rightarrow$ Lethal Concentration (expressed in $\text{ppm}$ or $\text{mg/L}$).
$\text{LT}_{50}$ $\rightarrow$ Lethal Time (expressed in hours or days).