Emma makes a stick puppet .She draws a face on it .The puppet has a metal crown .When emma shines a light on the puppet on the puppet ,the crown looks shiny. Why does the metal crown look shiny when the light when the light is on it ?

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the sphincter muscles at the end of the digestive tract is the anus.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

the fossil record provides evidence of a common ancestor to many species.