Ammonia that is not taken up by plants may undergo ____________________
Fill in the blanks with correct word
nitrification
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From a 20-m elevation, a baseball player throws a ball horizontally that lands 50 m downrange. What is the pitching speed?
A. 20 m/s B. 25 m/s C. 10 m/s D. not enough information.
Ten seconds after starting from rest, a freely falling object on Earth will have a speed of about
A) 10 m/s. B) 50 m/s. C) 100 m/s. D) more than 100 m/s.
A tipping-bucket rain gauge measures rainfall by [INSERT FIGURE 7-25B. NO CAPTION]
A) measuring the volume of the water that spills out of the buckets B) counting the number of time the bucket tips over C) collecting the water that spills out of only one of the two buckets D) weighing the rainwater that spills out of the buckets
A body or rock of considerable thickness with characteristics that distinguish it from adjacent rock units is called a(n)
A. formation B. contact C. outcrop D. bedding plane