The hardness of common objects are listed in the table. if an unknown mineral cannot be scratched by glass but can be scratched by a steel file, what might its hardness be?

Why does miranda have that particular vision of dr hildesheim answer?

What is the difference between a scientific hypotheses and a scientific theory?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.