Questions

Nigeria, an African country on the Gulf of Guinea. 

Nigeria has a Federal Republic and Presidential system of Government.

ADP stand for Army Doctrine Publication.  An official written document that provides established principles in the U.S. Army that support national objectives.

Dr. B. R. Ambedkar attended all the three-round table conferences.

There are 12 Indian origin persons in the "House of Commons".

• The House of Commons is the elected lower house of the bicameral parliaments of the United Kingdom. The UK public elects 650 Members of Parliament (MPs) to represent their interests and concerns in the House of Commons. MPs consider and propose new laws, and can scrutinise government policies by asking ministers questions about current issues either in the Commons Chamber or in Committees. 

Chemical weathering is what happens when rocks are broken down and chemically altered.

Chemical weathering is the breakdown of rocks by chemical reactions. Chemical weathering involves changes in the chemical composition of the existing rock to form new rock. Some examples of chemical weathering are hydrolysis, oxidation, carbonation, dissolution, etc.