Answer:
the bay of bengal is to the eas of India
The statement is false.
The agriculture usually makes the soil poorer and poorer with each year, a nice proof for this is the usage of the chemical fertilizers to allow the plants to grow. Also, not every branch in the agriculture uses plowing, there's multiple cultures that do not require that or it's just not possible to perform plowing.
There are exceptions of course, like for example the wheat, which is after the plowing is a great fertilizer of the soil, but in general, the agriculture has a bad effect on the organic content and quality of the soil.
Answer:
The correct answer is option A. convergent evolution.
Explanation:
Convergent evolution occurs when there are <u>two organisms that have similar characteristics or traits</u>, but there is no recent ancestor from which they have evolved.
That is, each species developed its own characteristic and did not inherit it from a common ancestor. This happens because depending on the habitat, the species have to <u>develop the same solution to a problem that presents itself, even if they are of different species.
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An example of this is sharks and dolphins. They are <u>physically very similar</u>, both have soft skin and fins that serve to chase their prey.
But if we look better, <u>the shark is oviparous</u>, while the <u>dolphin is mammal.</u>
<u>The shark is a killer carnivore while the dolphin is a friendlier animal.
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The explanation of their similarity is due to the fact that the last ancestor they shared lived about 290 million years ago, that is, it was not recent. Then both animals were forced to <u>evolve differently.
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Homology is called to those organisms that have structural similarities because they share the inheritance of a common ancestor.
And it is called analogy to similar characteristics but that do not come from a common ancestor.
The age of the Sun depends upon the initial mass it has at the time of its birth. This is applicable to all the stars and not only the sun.
<h3>What is the meaning of initial mass?</h3>
The mass which is present in the molecules of an element at the beginning is known as the initial mass of such body.
Hence, the significance of initial mass is aforementioned.
Learn more about initial mass here:
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Answer: Seafloor spreading helps explain continental drift in the theory of plate tectonics. When oceanic plates diverge, tensional stress causes fractures to occur in the lithosphere. At a spreading center, basaltic magma rises up the fractures and cools on the ocean floor to form new seabed.