A vapor material exerts a pressure or force ____.
A. in all directions
B. downward only
C. outward and downward
D. outward only
Answer: A
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Wiring used to coordinate the transmission of data is called which of the following?
A) Structured wiring. B) Analog/digital system wiring. C) Local area network cable.
Each day, a weather forecaster predicts whether or not it will rain. For 80% of rainy days, she correctly predicts that it will rain. For 90% of non-rainy days, she correctly predicts that it will not rain. Suppose that 10% of days are rainy and 90% are non-rainy.
a. What proportion of the forecasts are correct? b. Another forecaster always predicts that there will be no rain. What proportion of these forecasts are correct?
Geologic erosion occurs at a faster rate than soil formation
Indicate whether the statement is true or false
The term _________ describes the biological phenomenon that results in offspring that are superior to their parents
a. Heterosis c. Mutation b. Homozygous d. Synthetic