The lowlands west of Australia´s eatern mountain range are drained by the Murray-Darling River system, with its main headwaters in the <em>Great Artesian Basin.</em>
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.
Answer:
$3
Explanation:
Given parameter:
Selling price of the radio = $41.81
Sales tax = 7%
Unknown:
Tax incurred = ?
Solution:
The sales tax on the radio can found by;
Sales tax = % Sales tax x selling price of the radio
Sales tax = 7% x $41.81
Sales tax = $3