d because if u think I about it it's logical the other answers sound stupid
Answer:
The term 'declining population' is part of the technical language used in biology and the study of wildlife populations. In this case, is only one of the many technical references that provide a formal scientific tone to the paragraph, such as 'Habitat loss' and 'mating ritual.'
Explanation:
If the words chosen were informal, the efficacy of the text might not be powerful enough.
Please include a better screenshot to allow me to better help you
Answer:c
Explanation:
because they used to another kind of life