Let us look at the what, why and how of studying extreme places like the deep earth and the deep space. Scientists need to figure out as to 'what' they want to look at such places, be it a new exotic creature or bio-genesis (birth of life). Unless there are several testable hypothesis constructed, such a study cannot begin. The 'why' aspect deals with the purpose of such research and expeditions. Is it of any use to the humans, or will it improve our current understanding of a phenomenon? The 'how' aspect deals with the technology and the economic assistance that can help in undertaking such a research. All these are the challenges that needed to be thoroughly considered to make such a research or expedition possible.
the first answer as blood needs to be oxygenated to be passes round the body then when its deoxgenated it will return to the heart to be pumped around the body again
Answer:
Chemical evolution is the formation of complex organic molecules from simpler inorganic molecules through chemical reactions in the oceans during the early history of the Earth.
It the first step in the development of life on this planet
HOPE IT HELPS!!!!
Answer:
20
Explanation:
pressure =force/area
150cm ×2=300cm^2
600÷300=20
I think this is right, you need to put the units on your answer
Answer:
copulation means that which ingage in sexual intercourse which penis is inserted into vagina and to transfer male reproductive cells from one induvidual to another.
