I would say D idk or it would be B I hope this helps
I think its arroyo.
i hope this answer is correct and helps you :)
Answer: how to use a repeated sound to focus
her attention
An individual like Addison will be given training
on how to use a repeated sound to focus her attention. Transcendental
meditation allows
the mind and body to settle into a quiet state of restful alertness. This will
give Addison feeling refreshed, energized, and at peace.
Answer:
B) Post-zygotic factors prevented successful reproduction.
Explanation:
Postzygotic factors may influence the formation of the fertile offspring.
The postzygotic barriers basically involves the formation of the hybrid organisms which do not survive past the embryonic stages i-e hybrid inviability / the hybrid creation that is unable to form the offspring i-e sterile.
So , in the given scenario option B )Post-zygotic factors prevented successful reproduction is the right answer .
I think the respiratory system and circulatory system