The factor that protected the Russia from control by Napoleons army was their constant retreating policy which never let Napolean have a full fledged war. napoleaon had prepared with all required stocks to fight the Russians in a full fledged battle, but the Russians cleverly played a hit and run game. The Russians cleverly draged the war for long to make Napoleaon frustrated. The Russians slowly dragged the war to the Harsh winter season although the war started in the spring season. Russia was a large country and protecting the backlines with soldiers became very hard with each passing day.
The Montreal protocol is a treaty to reduce the amount of CFCs produced in the world.
<h3>What is the significance of Montreal Protocol?</h3>
The Montreal Protocol is an international agreement between the nations, which are aimed at the prevention of the depletion of the ozone layer in the stratosphere of the Earth. It came into effect in the year 1989.
Hence, option B holds true regarding the Montreal Protocol.
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The highest mountain in Europe out of the given options is <u>Mount Elbrus. </u>
<h3>Facts about Mt. Elbrus </h3>
- It stands at a height of 5,642 m
- It is part of the Caucasus mountain range
Mt. Elbrus is located in southern Russia where it is part of the Caucasus and renowned to be the tallest mountain in both Europe and Russia. It is also a dormant volcano.
In conclusion, option C is correct.
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The answer is; C
The reason they contract is that as the substance loses heat, the atoms also lose their kinetic energy and stop vibrating or bombarding each other vigorously. The distance between the atoms, therefore, decrease and the substance consequently shrinks a bit.