C. Since they have to gain that skill.
A possible Hypothesis probably .
But planning and maintaining But first you can help to prevent some of the most serious environmental land and aquatic habitations reduce the quality of water for human consumption buffers protect the environment
The first two blanks are evidence of climate change, third blank is the main cause of climate change, and the fourth blank is a mechanism by which climate change occurs.
The wording of this is confusing. I think it’s A and B and I’m hesitant say that it’s also C but only if you know the mutation and the gene.
Also for A you would only know a partial sequence of the gene.
