The first commercial pesticide was:

$A$ location with luxuriant growth of lichens on the trees indicates that the

The release of phosphates and nitrates into water bodies (i.e., rivers and lakes) leads to:

One of the human diseases due to biomagnification of heavy metals is

Which of the following statements are correct regarding Eutrophication?
$I-$ Streams entering into a lake introduce nutrients like nitrogen and phosphorus,which encourage the growth of aquatic organisms.
$II-$ As the lake's fertility increases,plant and animal life flourish.
$III-$ Organic remains begin to deposit at the bottom of the lake.
$IV-$ Organic waste materials continue to accumulate in the lake.
$V -$ The lake becomes shallower and warmer.
$VI -$ Cold-water organisms are replaced by warm-water organisms.
$VII -$ Marsh plants take root in the shallows and begin to fill in the original lake basin.

Name an industry which can cause both air and thermal pollution as well as eutrophication.