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limelight11
25.10.2019 •
Biology
Which section of the ocean floor makes up half of the surface of earth?
a)continental shelf
b)continental slope
c)abyssal plain
d)trench
plz me!
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Ответ:
c)abyssal plain
The section of the ocean floor that makes up half of the surface of earth is abyssal plain.
Explanation:
At a depth between 3000 meters and 6000 meters in the ocean the dominating land form is the abyssal plain.
Abyssal plains are formed as a result of sea floor spreading and melting of lower oceanic crust. The deposition of silt and sediments on oceanic crust causes the formation of abyssal plains.
The abyssal plains exert considerable influence in ocean carbon recycling as well as calcium carbonate dissolution.
Ответ:
Sexual reproduction in flowering plants involves the production of male and female gametes, the transfer of the male gametes to the female ovules in a process called pollination. After pollination occurs, fertilization happens and the ovules grow into seeds within a fruit.
Explanation: