Cual fue la pista principal para conocer que forma tenía el ADN

it is a. i hope this .

the answer u all are looking for is 4000000000000000000000 million years.

increases the risk of extinction 

explanation:

the answer is that if the species suffers from the disease, there is nothing stronger than the others, so it is possible to remove wholeness. an example of this is hunger in irish potatoes, which has a deadly disease bearish part of all potato harvest masses. pretty much ruins the land of crops.