Question

elements such as cadmium, lead, and mercury have been found in massive amounts in europes environment. these are linked to a wide range of health - related issues, such as kidney disease, bone damage, and cancer.
the most common way these elements are put into the environment is by
a toxic waste.
b air pollution.
c nuclear waste.
d water pollution.

Explanation:

Cadmium, lead, and mercury are heavy metals. Toxic waste, which can include industrial by - products, often contains these heavy metals. Air pollution (B) mainly consists of gases like sulfur dioxide, nitrogen oxides, etc. Nuclear waste (C) contains radioactive materials. Water pollution (D) can be caused by various factors, but the most common source for these heavy metals in large amounts is toxic waste.

Answer:

A. toxic waste