The answe is the 4th choice
A) A flap in the heart located between each atrium and ventricle.
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They have different genes.
Answer:
The water cycle
Explanation:
<em>Possible answers include that water is stored as ice and snow on the ground during the water cycle. Water is also stored in clouds until precipitation occurs, which transfers water from the atmosphere to the ground. On the Earth's surface, water can be stored in liquid form in streams, rivers, lakes, and oceans.</em>
Gouges made by ice sheets are erosion.