Biology, asked by shivaaniD, 1 month ago

a. Which of the following causes
air pollution?
i. smoke from factories and
automobiles
ii. discharge of industrial waste
into rivers
iii. sound produced from factories
and automobiles
iv. oil spills

Answers

Answered by sneharai5516

2

Answer:

first one the smoke from factors

Answered by krishu306

1

Answer:

smoke from factories and automobiles

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