Answer:
I think it is A loss of biodiversity.
Explanation:
Sorry if it is wrong.
Answer:I'm almost sure it's b or d hope this helped
Explanation:
Lots of resources are located in the United States. Such as oil, gold, silver, iron, and much more.
In hemophilia A it’s caused by a mutation in the gene for factor VIII. Hemophilia B is a result in a deficiency in factor IX due to a mutation in its corresponding gene.
In both cases, it is a mutation in the DNA (the macromolecule).