DO 11
3
(kg)
The table shows the relationship between the masses of two objects the distance between the two objects, and
the gravitational force between the objects.
Mass of Object 1 Mass of Object 2 Distance between Gravitational
(kg)
Objects 1 and 2 Force between
Objects 1 and 2
(N)
1G
2.
26
2.
3
96
3
3
3G
1
1
1
1
2
2
3
9
1
Which conclusion is supported by the data in the table?
O An increase in the mass of an object causes the same decrease in the gravitational force.
An increase in the distance between the objects causes the same decrease in the gravitational force
An increase in the distance between the objects causes a greater change in the gravitational force than the
same increase in mass.
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the plateau is likely to turn into a desert do to corrosion.

bacteria that live on the ocean floor are sustained by phytoplankton. phytoplankton, microscopic marine photosynthetic organisms, have a vastly significant role to play not only in the marine food web of which they’re part of, but also on a more global scale. despite their infinitely small size in comparison to other marine organisms, these tiny creatures occupy an immensely important ecological niche: they are the foundation of the marine food web, and as primary producers, play key roles in supporting all other organisms in the marine environment, as well as in the regulation of the earth’s climate through the sequestration of carbon, oxygen production, and other related processes. phytoplankton account for roughly half of all global primary productivity; therefore, their significance extends far beyond the marine environment alone. there is an intriguing sense of irony in the realization that these tiny living beings that often live out their existence unnoticed and undetected by the rest of the world, have such a far-reaching impact on the lives of virtually all other living organisms on the planet, particularly on those in the marine environment. the world that we have become accustomed to has been and is continuously shaped by the workings of these miniscule yet vital “plants of the sea”.

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