Because, without them, the dead animal will just sit there. So, having decomposers gets rid of the remains of the animal, and that way they can eat too. Hope it helps good luck!
Prophase-->Metaphase-->Anaphase-->Telophase
Hello there ^ _ ^
I believe the answer is : A - Evolution
Good luck!
In this scenario,I guess the answer is roughly around 300 children die every year from the diseases in which the vaccinations are available. Hope this is the correct answer then and would surely be of big help to you then.