Rapid amounts of photosynthesis can create variations in the alkalinity of seawater
Indicate whether the statement is true or false
True
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Which of the following describes the difference in the growing seasons on north-facing and south-facing hillsides in the Northern Hemisphere?
A. North-facing and south-facing hillsides have growing seasons of identical lengths. B. North-facing hillsides have a longer growing season than south-facing hillsides. C. North-facing hillsides have a shorter growing season than south-facing hillsides. D. The growing season of north-facing hillsides starts and ends later than south-facing hillsides.
Which of the following amounts is the water vapour pressure that occurs when water vapour comprises 3.5 percent of an air parcel whose total pressure is 100 kPa?
A. 103.5 kPa B. 35 kPa C. 96.5 kPa D. 3.5 kPa
The geologic evidence that much of North America and Europe was covered with glaciers until about 10,000 years ago provided evidence that
A. the kinds of plants and animals present at the time were adapted to cooler temperatures. B. sea level fell because water was tied up in glaciers. C. there has been great change in climate during the time humans have been present. D. All of these statements are correct. E. None of these statements is correct.
Many African rivers do not have bridges for transportation across them, so they rely on ferry boats. Traffic jams and bottlenecks at these crossings can be backed up and take several days to clear
Indicate whether the statement is true or false