When considering the solubility of a particular solute in a particular solvent the term "like dissolves like" generally refers to which of the following properties?
A) formula weight
B) molecular shape
C) both a and b
D) neither a nor b
D
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What is a rock-forming mineral? What will be an ideal response?
Many people in the developing world primarily rely upon a diet of rice. Such a diet, even with plenty of rice available to meet daily caloric requirements, runs a high risk of ________
A) protein deficiency and disease B) obesity C) insufficient intake of energy D) overnourishment
Official temperatures are measured using thermometers placed in shelters that are
A) at ground level, in direct sunlight. B) non-ventilated and black boxes, placed at ground level. C) in black boxes placed in direct sunlight for maximum insolation absorption. D) placed a few feet above the ground in louvered white boxes.
Which of the following has NOT been useful in the study of climate change resulting in glaciation?
a. radiocarbon dating b. jet stream analysis c. tree rings d. oxygen-isotope analysis