Which condition is necessary for a planet to have a permanent liquid ocean?
a. low gravity
b. double sun
c. toxic atmosphere
d. irregular orbits
e. optimum distance from star
e
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How would you describe the volume of water in a swimming pool?
A. submicroscopic B. macroscopic C. microscopic D. all of the above E. none of the above
The diagram on the far left shows the moving particles of a gaseous material within a rigid container. Which of the three boxes on the right best represents this material upon the addition of heat?
A. Box A, because it shows the gas particles rising upon the addition of heat. B. Box B, because it shows the gas particles moving faster. C. Box C, because it shows how the particles expand upon the addition of heat. D. All three of these boxes show accurate representations of what happens to the particles within this rigid container upon the addition of heat.
What two chronic environmental problems facing the Russian Domain today?
A) desertification and deforestation B) air pollution and deforestation C) water pollution and desertification D) water pollution and deforestation E) air pollution and water pollution
What could cause strain softening and strain hardening in a deforming rock?
What will be an ideal response?