Under the leadership of Mikhail Gorbachev, the doctrine of Perestroika called for more local control and free-market practices. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has come to your help.
Answer:

Ways for pollution free environment are :-
- Follow the 3 Rs ⇻ Reduce, Reuse & Recycle.
- <u>Reduce</u> the consumption of plastic products (use glass bottles, paper bags etc.)
- <u>Reuse</u> old & worn out things instead of throwing them away.
- <u>Recycle</u> your paper & plastic products.
- Use public transport, cycles or just walk ➟ this will reduce smoke & hence will reduce air pollution.
- Turn off the lights & fans when not in use ⎆ for less consumption of energy.
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# ꧁❣ RainbowSalt2²2² ࿐
well if she has 15 now then you add 3 to 2 which is 5 then add that to the 15 so you get 20 in total then minus th3 6 she made today you get 14 divided by 2 which is 7 she made 7 yesterday and 13 today which is 20 so the answer is 7
Sparta and Athens were city-states in the country of Greece.