Answer:
The two main categories of igneous rocks are extrusive and intrusive. Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the
Explanation:
I collect rocks hope this helps.
3. Africa, south america & asia
Answer:
Recently much interest has been centred towards the comparison of a pig’s heart and human heart in the pursuit of Xenotransplantation. This is because there has been a growing demand of organ transplantation which is unmet by the number of human donors . Although, both belong to the genera of Mammalian origin there are marked difference in the anatomy of their hearts and also their associated physiological functioning. Both the hearts are divided into the auricular and ventricular chambers and have their drainage through the pulmonary arteries and aorta into the lesser and greater circulation. The myocardial volume supplied by left coronary arteries are higher and dominant compared to right coronary arteries in both these hearts as the left heart needs more oxygen supply for its greater activity to pump blood into the systemic circulation
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Explanation:
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Answer: Before the polar ice caps melt, the ice will have no effect on the earth's moment of inertia because it's distance from the axis of rotation is close to zero.
When the ice melts, the moment of inertia will increase because the mass of ice is spreading out around the whole earth.
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It is The Antarctic Circle
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- Hannah ❤