The ________ is also called taiga
A) tundra climate
B) Siberia region
C) ice cap climate
D) humid subtropical climate
E) subarctic climate
E
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The relative humidity would be ________% if the actual water vapor in the air were 10 grams per cubic meter, the air's capacity to hold water vapor were 20 grams per cubic meter, and the dew-point temperature was 20 degrees Celsius
A) 10 B) 20 C) 50 D) 2 E) 200
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Indicate whether the statement is true or false
Susan is conducting an experiment to see if plants will grow better with application of fertilizer. She separates 50 plants into two groups of 25. One group receives a liquid fertilizer when watered every other day, and the other group receives only water on the same days. The plants are kept in a greenhouse with constant and equal amounts of sunlight, and a constant temperature. She measures the plants once a week for 12 weeks. At the end of 12 weeks, the plants with the fertilizer grew an average of 9 inches, and the ones that were not given the fertilizer grew an average of 5 inches.When referencing the above scenario, why did Susan average the resulting heights of the plants?
A. To account for differences in temperature and sunlight between the groups. B. She liked showing off her knowledge of simple statistical analysis. C. To account for the genetic variation in the plants. D. Because two numbers are easier to compare than 50.
Which of the following descriptions applies to sunspots?
A. They are warmer regions on the sun's surface. B. They are located in regions of strong magnetic fields. C. They reach a maximum size approximately every 15 years. D. They appear lighter than the rest of the sun's surface.