Answer:A concave mirror is a spherical mirror with the surface of reflection is curved in an inward direction while a convex mirror is a spherical mirror with a reflecting surface with an outward bulge.
Explanation:
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Answer: number 1
Explanation: that is when we could first sustain life because that is when we gained atmosphere and when we could hold carbon and oxogen
Answer:
Descreva como a presença de chumbo nas células do corpo pode interferir com o capacidade de funcionamento das enzimas. *
Explanation:
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The inflammation will not occur with tissue that is dead & has no blood supply. The injury brings a decrease in white blood cells. The Mast Cells play a role in releasing histamine which dilate capillaries and bring about hypermia cause increase blood and swelling and redness to the area