D. Made of ash and pieces of rock rich in silica.
Should be your answer!
They are the same density.
<span>Since the child has never been away from his parents and siblings and also he is only 4 years old it is better to have one of them stay with the child. The presence of a family member will reinforce trust and provide support to the kid.</span>
Short Answer: When the sea is really deep and have a crazy waves around it.
