Oceanic-continental plate collision, subduction and formation of a volcanic arc.
<span>Because he had ideas way ahead of his time. He had many gifts and abilities. He was an artist, inventor, scientist etc. For example, he did many sketches of machines that looked like inventions made a few centuries later:flying machine, tank, helicopter. He also drew detailed images pf some of the first autopsies to document biological anatomy.
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when Earth makes half of a full rotation starting with noon time of spring day, there will be midnight on completion. Thus, option C is correct
<h3>What do you mean by rotation?</h3>
When the earth revolves around its own axis, rotation takes place. This will result in changes day and night. Earth takes 24 hours to complete a rotation on its axis.
When earth revolves around the sun it is called revolution, due to which a year got changed. Earth takes 365 days to complete a revolution.
Therefore, option c when the earth makes a rotation at noon and completes its half-cycle clearly shows midnight.
Learn more about rotation, here:
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An ecosystem comprises the physical environment.
It is an interlinked system with the plants and animals living therein linked to each other.
Ecosystems have evolved over a period of thousands of years.
Some examples of interlinking are
(i) Insects help in pollination of crops and fruit trees. Some insects also exert biological control on harmful insects.
(ii) Carnivorous animals kill herbivorous animals for food and herbivorous animals consume plants for food.
(iii) Decomposers like fungi and bacteria fertilise the soil with humus by decomposing dead animals and plants to enable plants to grow. There are many such examples of interlinking to show that every species has a role to play in the ecosystem.
Thus, we can conclude that every species has a role to play in the ecosystem
Don't quite follow this one but it looks like ...
m-2.j=7x
m-3.j=3x+20
as a pair of simultaneous equations ???