certain hydrogen bonds are formed so that A goes with T and G with C
<span>c. they secrete hormones that help control the ovarian cycle.
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When an earthquake occurs energy is transferred, from where the rocks break, and travels throughout the world. The bigger the quake the further from the epicentre the waves will travel. There are two types of earthquake wave generated during an earth quake. They carry energy away from the earthquake epicentre.
