Despite what some old movies show, quicksand does not suck people or other objects down.
Answer the following statement true (T) or false (F)
True
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Consider the following molecules. What is the relationship between the degree to which the molecule is oxidized and its polarity?
A. Only acetaldehyde and acetic acid are oxidized and polar because they contain a double-bonded carbon-oxygen bond, C=O. Of the two, acetaldehyde is more polar. B. The greater the degree of oxidation, the less polar the molecule. Therefore, ethane is both the most oxidized and the least polar. C. The greater the degree of oxidation, the more polar the molecule. Therefore, acetic acid is both the most oxidized and the most polar. D. There is no correlation between degree to which a molecule is oxidized and its polarity.
How are weather and climate related?
A) Climate is the weather at a particular place and time. B) Climate is the average weather over a period of many years. C) Climate and weather are both produced by plate tectonics. D) Weather is climate that can be measured.
How would the temperature of Earth differ if, on average, there were 50% more clouds?
A. Earth would be warmer B. There would be no change in temperature C. Earth would be cooler
Which of the following lines of evidence was used by Alfred Wegener to support his theory of continental drift?
A. All of the answers listed here. B. Glacial deposits on continents in the southern hemisphere. C. Similar plant & animal fossils on different continents. D. Fit of the continents. E. Similar rock sequences on different continents.