The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed. For example, the carbon atom in coal becomes carbon dioxide when it is burned. The carbon atom changes from a solid structure to a gas but its mass does not change.
The illegal smuggling caused economic hardship in the Portuguese empire. During the 8th and 9th Centuries, tobacco became the major product in the Portugal. Tobacco’s importance as a commercial product had in fact grown steadily after 1620, and by the early 1700s, the monopoly on its sale had become one of the country’s most precious sources of income.
Together with spices, tobacco became the principle item of exchange for products from the Far East and for slaves taken from the coast from the West Africa.
Answer:
Federal Republic of Germany
Explanation:
The chancellor is the chief executive of the federal Cabinet and heads the executive branch
Answer:
I think Civil Wars.
There are many wars in Africa because of poorness and ungrateful and weak government systen
