Tides would be easy to predict if__________
a) Earth were a uniform sphere covered with an ocean of uniform depth
b) Earth were all land
c) Earth were smaller and more elliptical
d) Earth had 70% land instead of 70% ocean
A
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If the masses of two planetary bodies double, and the distance between them also doubles, the force between them would be
A. half as much. B. one-quarter. C. twice as much. D. none of the above
Using the tables of social indicators in the regional chapters of this book, identify traits shared by countries that have a high percentage of female illiteracy. Based on your inquiry, what general conclusions do you reach?
What will be an ideal response?
Diamond and graphite have the same chemical composition, but are different minerals, because their atoms are arranged differently. Research and write a paragraph comparing another pair of minerals that share the same chemical composition
What will be an ideal response?
Different isotopes are useful in different dating processes. Suppose we wished to determine the age of an object which we suspect to be approximately 100 years old. An isotope with which of the following half-lives would be most appropriate for this project?
A) 5 years B) 50 years C) 500 years D) 5,000 years