Biology, 03.05.2021 16:20, lkipjjjjjjjjjj5673
Which of the following statements about agricultural fertilizers is false? A. Large amounts of fertilizers are necessary to maintain high crop yields year after year. B. Phosphates are obtained exclusively through mining. C. Nitrate and phosphate runoff cause eutrophication in different communities. D. If the human production of fixed nitrogen stopped, the amount of fixed nitrogen added to the biosphere each year would only be about half of what it is now. E. Global nitrate and phosphate resources are in decline.
Answers: 2
Biology, 21.06.2019 20:00, morgandodd2001
How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex
Answers: 2
Biology, 21.06.2019 20:00, flashpoint0117
Common commercial benefits of microorganisms include synthesis ofa. insulin. b. antibiotics. c. aspirin. d. antibiotics and aspirin. e. antibiotics and insulin.
Answers: 1
Biology, 22.06.2019 06:40, jaida03
Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above
Answers: 1
Biology, 22.06.2019 09:20, milhai0627a
Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic
Answers: 2
Which of the following statements about agricultural fertilizers is false? A. Large amounts of ferti...
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