I think that the answer is c, ridges!
Se les llama mega-diversos a algunos países del mundo porque “albergan la mayoría de especies de la tierra y un gran número de especies endémicas.” ejemplos son: australia, brasil y china.
Answer:
1
Explanation:
All the other answers would raise the death rate, except for 3, but that wouldn't have such a profound impact to where the death rate would decrease by a substantial amount
The answer will be substance.
