Answer:
9.) <em>Humpback Whales</em>
10.) <em>Phytoplankton.</em>
11.) <em>Sotronger upwelling winds</em>
Explanation:
9.) A primary consumer feeds on primary producers, of all the options given Humpback Whales, are the only ones meeting the criteria in the options given since they feed with plankton (a primary producer).
10.) Phytoplankton are the base of the Southern Antarctic Ocean trophic chain. In the nutrient-rich upwelling zone waters, they can reach huge blossoms and are far more common than other forms of zooplankton in this zone.
11.) The productivity of this ecosystem is influenced by the seasonal cycle of the upwelling winds, these peak during the months of December and January, carrying more nutrients and allowing trophic networks to work more efficiently and actively allowing for more productivity.
True. In Western and Central Africa, the lifetime risk of maternal death is 1 in 17.
The Cold War caused a lot of tension between the 2 countries and that was caused just by the fact that Russia was left out of the treaty after ww1. That and they had tension during the 1920s because Russia had turned to communism and us was afraid it was going to happen to them.
The midpoint of (-4,-2) and (3,3) is (-.5,.5) or (-1/2,1/2).