When an oceanic plate converges with a continental plate, the oceanic crust will always subduct under the continental crust; this is because oceanic crust is naturally denser. Convergent boundaries are commonly associated with larger earthquakes and higher volcanic activity.
The answer is: B; the diffusion gradient in cell B is steeper
Cell B actively converting oxygen to water in cellular respiration, therefore the oxygen concentration would be much less when compared to oxygen concentration of cell A.
Diffusion will allow molecule to move from container with higher concentration to container with lower concentration. The difference in concentration will increase the speed, so the speed of oxygen diffusion to cell B would be faster.
Answer:
<h2>Exchange</h2>
Explanation:
A transaction in which two or more organizations or people give and receive something of value is called Exchange
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1) The answer is C. Weddell and Crab eater seal usually form breeding groups or colonies when breeding. The Leopard and Ross seals are solitary when breeding. Antarctic and elephant seals on the other hand breed in dense groups on beaches when breeding.
2) The answer is C. Sea ice is frozen water that forms, grows and melts in the ocean.It occurs both in the arctic and antarctic. The sea ice grows during the winter months and melts during the summer months making it a seasonal ice. Areas with sea ice do not absorb much light because sunlight that strike it are reflected back into space.
3) The answer is C. Heat capacity. When the sun heats the surface evaporation of water occurs. The water vapour is lifted into the atmosphere using heat currents. The water vapour combines with dust particles to form clouds which later rain.
4) The answer is C. The cold water is denser and thus is moves to the bottom(downwelling). Water that is rich in nutrients then moves up to the surface to replace the cold water. The increased nutrients trigger the growth of organisms like the algae.
5) What is the difference between El nino and La nina.
El Nino is the warm phase of ENSO while La Nina is the cold phase of ENSO. El Nino usually brings rainfall and warmth to western pacific regions and coldness and dryness to the eastern pacific region while La Nina brings coldness in the eastern pacific regions and heavy rains that cause floods in the western pacific.
6) The answer is C. During the La Nina year the sea surface temperature is greater than normal in the Western pacific. The La Nina is an exaggeration of the usual seasonal cool cycle unlike El Nino which is an exaggeration of the warm cycle. The La Nina year occurs after some El Nino years.
7) Names for hurricane are beneficial over latitude longitude identification because they are easier to remember. They avoid confusion which is more likely when using latitude longitude identification.They also help to spread awareness and are much easier to track.
8)The answer is B. The leopard is the second largest seal that have powerful jaws and long teeth. They use these teeth to kill smaller seals, fish and squid. They also feed on penguins. This is why they do not rely on krill as a major food source.
9) The answer is A. The adelie penguins feed mostly on krill but switch to fish during breeding because fish and squid are more abundant and krill is more scarce. I think this is because during the breeding season birds spend short periods at sea and hence more fish is available.
10) The answer is A. Due to the fact that penguins live in cold environments, they have adopted a few features to keep them warm. These features include fat under their skin,layers of features and staying together in groups. Penguins swim fast in order to launch themselves in the air.
11) The population of penguins have greatly increased due to the hunting of baleen whales. Baleen whales are know to eat krill and fishes. This means when there is a reduction of the baleen whales there will be an increase in the amount of krill and fish. This will result to an increase in the amount of penguins since food availability will increase increasing their chances of survival.
