The answer is c. heliotropism. Hope this helps.
<em>Answer: Volcanic landforms tend to be cinder cones, stratovolcanoes, volcanic domes, and calderas.
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<em>Cinder cones are small volume cones consisting predominantly of tephra that result from strombolian eruptions. ...
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<em>They are actually fall deposits that are built surrounding the eruptive vent.</em>
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The route sperm take through the human male reproduction by C. Vas deference, epididymis then the Urethra.
These organisms that consisted only of unicellular were called prokaryotes.
