(Originais Teachy 2023) - Question Hard of Geography

Brazil is one of the pioneering countries in the development of biofuels that, produced from renewable sources, can replace gasoline in car engines. Regarding biofuels, it is correct to state that

Venezuela is in deep crisis, with the country seriously divided between Chavistas and anti-Chavistas. The two main protagonists of the Venezuelan scene are Nicolás Maduro and Juan Guaidó. Regarding the political leaders, it is correct to affirm that:

Moenjodaro was one of the most important civilizations of Prehistory, flourishing in the region of the Indo-Pakistan more than 4,000 years ago. This civilization developed various technological, cultural, and social advances during its existence, being responsible for significant contributions to the modern world. Which of the following technological advances was developed by the inhabitants of Moenjodaro?

Africa is a continent with great ethnic, cultural, and environmental diversity, but it also faces considerable socioeconomic challenges such as poverty, hunger, and lack of access to education and healthcare. How do these socioeconomic characteristics affect the development of African countries and their positioning in the global economic context? Additionally, mention two examples of policies or initiatives being carried out by African countries or international organizations to address these challenges and promote sustainable development on the continent.