Answer:
The similarity in structure between the stromatolites and bacterial mats that still live today
Explanation:
D all of the above because anything in an ecosystem adds to the biodiversity of it.
The process of amending the constitution is difficult, and it happens rarely.
The correct answer is <span>Venustiano Carranza
Although they used to work together in ensuring democracy, they turned on each other because Venustiano believed that Porfirio Diaz was becoming too conservative and even totalitarian so they started opposing each other. Venustiano's anger grew even more when he lost the elections due to the lack of Diaz's support.</span>
