Question

. To mitigate pollution, scientists
from CSIR (Council of Scientific and
Industrial Research) laboratories
developed "green crackers" with lower
emissions, particulate matter and noise.
In these crackers, aluminum, which is
used as a primary heat source and to
produce the flash is replaced by
(1) Sulphur
(2) Magnesium
(3) Potassium
(4) Phosphorous​

Answer 1

Answer:

Sulphur is the answer of your question