Answer:
D
Explanation:
Because these are in oceans and on land.
DNA Mutations (Mutagens) causes this. Take a look at lung cancer..<span>and mutagens that cause cancers are known as carcinogens. (Hope it helps my friend)</span>
Answer:
Zebra mussels are spread from one body of water to another by natural flow, carried on the feathers or feet of birds, or by humans in bait buckets or on boats.
