<span>Oil is less dense than water so it floats, that is also why you have to shake real well any oil- based salad dressings (Italian and vinegarettes) before using.</span>
The nucleolus disappears. Centrioles begin moving to opposite ends of the cell and fibers extend from the centromeres. Some fibers cross the cell to form the mitotic spindle. The nuclear membrane dissolves, marking the beginning of prometaphase.
Answer: c. Over the span of 10 to 1,000 years, groundwater behaves as a renewable resource.
Explanation:
Your answer is Permafrost
