Biology, 22.10.2019 05:20 adswadsaasdads
Bacteria convert atmospheric nitrogen to which of the following in the process of nitrogen fixation?
question 1 options:
nitric acid
phosphorus
ammonia
nitrogen gas
question 2 (20 points)
question 2 unsaved
during which of the following steps of the water cycle is water changed from a vapor state to a liquid state?
question 2 options:
evaporation
precipitation
condensation
transpiration
question 3 (20 points)
question 3 unsaved
what impact can deforestation have on the water cycle?
question 3 options:
carbon dioxide is released into the air as trees are burned.
photosynthesis increases, thereby increasing the amount of carbon dioxide in the air.
transpiration declines.
the amount of nitrogen-fixing bacteria increases.
question 4 (20 points)
question 4 unsaved
which of the following is the source of energy for the water cycle?
question 4 options:
volcanic eruptions
the sun
winds
gravity
question 5 (20 points)
question 5 unsaved
why is nitrogen fixation such an important step in the nitrogen cycle?
question 5 options:
soil nitrogen is different.
plants can't use nitrogen in the form of n2.
bacteria convert the fixed nitrogen back into n2.
decomposers need to use nh4+.
Answers: 2
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Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals
Answers: 2
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What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material
Answers: 1
Biology, 22.06.2019 08:00
Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.
Answers: 1
Bacteria convert atmospheric nitrogen to which of the following in the process of nitrogen fixation?...
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