I would say D it seem to be the likely choice but not a 100%
Answer: Sudden loss of habitat
Explanation:
Endangered species are animal or plant species that are in danger of going extinct.
This usually results from them suddenly losing their habitat and thus being exposed to unfamiliar conditions or threats that could end their existence. For instance, elephants losing their forest habitats in India and thus encroaching on farmland only to get shot for damaging farms.
Reaches the adult stage is the correct answer. When an intervebrate reaches the adult stage it has most likely stopped growing and can finally begin reproduction, passing further down the line his genes and the genes of his ancestors.
*The rate at which radioactive decay occurs.
*How much radioactive decay has occurred.
This supports the continental drift idea by example: a fossil animal was in one continent and then you find it in another. This is splitting the continents.
