I have only heard a few phrases for spine
Backbone
Vertebrae (vertebral column)
Spinal column
For the answer to the question above, I think <u><em>"the nurse should </em></u><span><u><em>apply a pressure against her sacrum</em></u>".
</span><span>This will help alleviate the discomfort of the woman who labors because of the position of the baby.
</span><span>I hope this helps
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The troposphere is shallowest or narrowest at the poles, and deepest or thickest at the equator. At the geographic North and South Poles, the troposphere reaches only 4 miles high, while at the equator, it extends nearly 12 miles high.
In an experiment the HYPOTHESIS is tested. The hypothesis is the assumption, that you make about something. Example would be, you believe (hypothesize) that the baking soda will react faster in vinegar than in water. You then test it out (or preform and experiment) to see if your hypothesis is correct or wrong.
Answer:The rocks are smooth due to the water eroding the rocks.
Explanation:
The water slowly takes off minerals of the rocks every time is splashes over them. Over time the rocks bumpy surface would be eroded away giving it a smoother surface.