Answer:
Climate change can melt ice in cold regions, and because ice is freshwater it can change the salinity of the oceans. Some marine animals may not cope with these conditions and may die as a result. This threatens biodiversity because there would be less species of marine life in our oceans.
Answer:
Oxidation occurs when a reactant loses electrons during the reaction. Reduction occurs when a reactant gains electrons during the reaction. This often occurs when metals are reacted with acid.
Answer: Don’t listen to the other person, B is incorrect. A is the correct answer.
Explanation: The law of conservation of energy states that energy cannot be created nor destroyed. B says that the mechanical energy disappears, but this is wrong. It changes into another energy, but the energy doesn’t disappear.
Answer:
Gene therapy
Explanation:
Gene therapy is designed to introduce and infuse genetic material into cells to compensate for abnormal genes or make new proteins that are beneficial to the host. Gene therapy introduces normal copy of a gene to replace and restore damage genes that resulted from mutations, this process in turn bring back the original function of the particular protein and restores it's functioning.