Valuable resources I think
The correct answer is - microscope.
In order to be able to compare and study close up looks of feathers from different types of birds, Amira will need to use a microscope. The purpose of the microscope is exactly that, to be able to see close up looks and compare and study the things better, and since the microscope has the ability to zoom in multiple times it is the perfect tool for it.
Some of the aspects of Latin American culture that were influenced by Spain and Portugal are:
-Languages - the indigenous languages are barely spoken anymore
-religion: most people in Latin America is Christian and indigenous religions are barely followed.
-economies: they follow mixed systems rather than the traditional economies of pre-Columbian times.
B is the correct answer. Because A and D are pull factors that bring people in from other places. C is not that crucial and it won't affect the living conditions of a person and that is why B is the correct answer.