The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the mantle is the thickest layer, while the crust is the thinnest layer.
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● The method of "<em><u> </u></em><em><u>one-way</u></em><em><u> </u></em><em><u>analysis</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>variance</u></em><em><u> </u></em><em><u>"</u></em> is used for tests of hypotheses that three or more population means are equal.
Answer:
Mammals have four heart chambers
Explanation:
Provides support and energy