Answer:
A) tertiary
Explanation:
This is because, the rendering of professional services falls into the category of passing unquantifiable services rendered into tangible monetary payment unlike the physical conversion of raw materials into finished products. For example, the payment for consultancy fee when a lawyer is about to represent someone in a court case,.
Definently A because you can rule all the others out if you look at map
Some of the factors would be introduction of non native species, pollution, overgrazing, chemical agents and habitat loss