Questions

‘Attacked on him’ is the incorrect form of phrasal verb that needs to be replaced with ‘Attacked him’ to make the sentence correct. This is because; ‘Attack’ is not followed by any preposition. Thus, the correct sentence would be, ‘That Brutus, who was his trusted friend had attacked him caused heartbreak to Julius Caesar’.

All cars are bottles.All bottles are windows.

Since both premises are universal,the conclusion must be universal and should'nt contain the middle term.So it follows that 'All cars are windows'.Thus,1 follows.Also 3 is the converse of this conclusion and hence it holds

Emergence of two great power blocs:

Two power blocs came into existence after the Second World War. The United States of America and Soviet Russia became two Super Powers. They tried to dominate over other countries in their own way. Ultimately, it gave a headache to the world.

The Cold War was a state of political and military tension after World War II between powers in the Western Bloc (the United States, its NATO allies and others) and powers in the Eastern Bloc (the Soviet Union and its allies in the Warsaw Pact).

In colder clouds: droplets formed by Bergeron mechanism. But, in many parts of the world the air is too warm for ice crystals to form. This being the case, rain and snow cannot develop following the Bergeron Process. Instead, tiny droplets form as they collide into one another creating larger and larger droplet, this is known as collision-coalescence process. So, warmer clouds are associated with this keyword.

Rocket works on the principle of conservation of momentum. The rockets gain momentum equal to the momentum of the gas expelled from the engine, but in the opposite direction.