Brazil is the world leader in coffee production
Cold and it's harder to heat stuff then it is to cool it down
The correct answer is Primary sources are first-hand accounts of events or time periods in history
The research project is characterized as an action to be developed, necessary in turn, and which foresees everything that will be developed through the research, that is, in it the researcher reveals his main intentions, explains the focus, the direction that the it will guide, express his real interests and highlight the questions that prompted him to proceed this way or that.
