Correct me if I'm wrong but I'm pretty sure it is B.
The answer should be 4) as it is known that uv radiation might have an effect on dna, thus causing mutations such as skin cancer in humans.
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Below are the answer:
Natural selections need competition in order to take place.
Individuals with favorable traits are <span>more successful</span> in an environment.
Answer:
Epiparasite is an organism which feeds on but usually does not kill a larger organism.
Explanation:
The property of water which explains this is that , water has a high boiling point.
Hadal zone is the ocean which has greatest water pressure. If the water has high boiling point it allows life in the oceans by getting very hot in the summer and also the oceans will not dry up.
Surface tension is a property of water which gets high cohension between the water molecules.