The chemical which causes damage to $WBC$, bone marrow, spleen, lymph nodes, and lungs is

One of the most dangerous radioactive pollutants to $Homo$ $sapiens$ is:

$A$ - Radiations emitted from radioactive waste cause mutations in living organisms.
$R$ - Radioactive waste is advantageous to human health.

Which type of waste is highly lethal in large quantities?

Which of the following symptoms indicate the effect of radiation?

$X$ is a highly potent pollutant and should be buried at a depth of $Y$ meters below the Earth's surface.