Upwelling is important to mix the nutrients that are present deep inside the water.Updewelling is a phenomenon in which the deeper water rises and gets mixed to the surface water to promote the growth of phytoplanktons and seaweeds as the water that is present deep inside is rich in nutrients.These phytoplanktons serve as as source of energy for large fishes and other aquatic animals. As these large animals are higher in population and are an important part of food chain and they also provide food to different marine mammals ,sea birds.The deep water infuses with costal water so to serve as a fuel for high productivity of marine ecosystem.
That process is known as Respiration in which oxygen get exchanged from the carbon dioxide by alveoli...
I thought it was (d) but I might be wrong
Do you need specific sources on this for a paper? I️ would use easybib it is a great source to get bibliographies done quick.
Answer: The gene that controls the production of white blood cells will be widely expressed
Explanation: White blood cells fight off viruses so when a virus is detected the genes for white blood cells will be activated.