Gross primary production is the rate of production of organic material by photosynthesis required for both the respiration of the plants or algae and the production of new material.
Answer the following statement true (T) or false (F)
True
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Which of the following is NOT one of the five precepts, or Pillars of Islam?
a. profession of faith b. prayer, five times daily c. fasting, during Ramadan d. Hajj, pilgrimage to Mecca e. the Holy Trinity
Which of the following is NOT a regional name for the most powerful tropical cyclones?
A) Cyclone B) Easterly wave C) Typhoon D) Hurricane
An earthquake of magnitude 6 releases this much more energy than one of magnitude 5:
A. 100 times B. 10 times C. 30 times D. 20 times
Nitrate in groundwater can be increased by infiltration of runoff from all of the following except
A. fields treated with synthetic fertilizers containing nitrogen. B. glacial melt. C. manure from cattle feedlots. D. sewage-treatment waste water.