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.
Answer:
We should be concerned because it affects the air we breath, and the climate of our planet. With the increased amount of gases, heat is increasing, making glaciers melt, and tempertures rise more and more each year.
hope this helps :)
Explanation:
Dominant traits are always expressed when the connected allele is dominant, even if only one copy of the dominant trait exists. Recessive traits are expressed only if both the connected alleles are recessive.
Glycolysis occurs in the cytoplasm of the cell
