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When molten material cools very slowly deep inside Earth, what happens to the size of the crystals?

A. The crystals are smaller compared to crystals formed closer to Earth’s surface.
B. The crystals grow at the same rate as those formed closer to Earth’s surface.
C. The crystals are larger than those formed closer to Earth’s surface.
D. The crystals are smaller because they form in a hot water solution.

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Moving down the ramp from 6 meters to

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?