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What is the largest storage pool of nitrogen in the biosphere?
The largest storage pool of nitrogen in the biosphere is in the atmosphere, where approximately 78% of the air is composed of nitrogen gas (N2). Nitrogen gas is not readily available for most organisms to use directly, so it must be converted into other forms like ammonia or nitrate by nitrogen-fixing bacteria before it can be utilized by plants and other organisms in the nitrogen cycle.
Why must nitrogen be used only with a regulator when it is charged into a system?
Nitrogen must also have its pressure regulated before it can be used. The pressure in the cylinder is too great to be connected to a system. If a person allowed nitrogen under cylinder pressure to enter a refrigeration system, the pressure could burst some weak point in the system.
How many grams of nitrogen dioxide must react with water to produce 5.00 x 1022 molecules of nitrogen monoxide?
To find the grams of nitrogen dioxide needed, first calculate the moles of nitrogen monoxide using Avogadro's number. Then, use the balanced chemical equation to determine the moles of nitrogen dioxide required. Finally, convert moles to grams using the molar mass of nitrogen dioxide.
How are the process of nitrogen fixation and denitrification different?
nitrification= it is the conversion of ammonia first into nitrites then into nitrates by nitrifying bacteria. dentrification=it is the conversion of nitrites and nitrates into free nitrogen.
Must weathering happen before erosion?
Weathering is the process that breaks down rocks and minerals into smaller pieces. Erosion, on the other hand, is the process of transporting these smaller pieces to different locations. So, weathering typically occurs before erosion as it is the initial step in the breakdown of rocks before they can be moved through erosion processes.
What must happen to nitrogen before plants and animal can use it?
Nitrogen must be in the compound form before it is used by plants or animals
What plants must happen to gaseous nitrogen before plants can use it to grow?
Fixation
What are forms of nitrogen that are unable by humans?
Nitrogen gas (N2) in our atmosphere is an example of a form of nitrogen that humans cannot directly use. Additionally, nitrate (NO3-) in soils is not directly usable by humans and must first be converted by plants into a more bioavailable form of nitrogen.
what process must happen to gaseous nitrogen plants can use it to grow?
Fixation
What must happen before meiosis can begin?
DNA replicates and forms tetrad—APEX.
What must happen for nitrogen to become an ion?
Reacting Nitrogen Gas with Alkali or Alkaline earth Metals form trivalent N3- ions.
What must happen for an ion to happen?
Reacting Nitrogen Gas with Alkali or Alkaline earth Metals form trivalent N3- ions.
How can humans help reduce the problem of nitrogen dioxide?
A power plant using fossil fuels must recover nitrogen, sulfur oxides and in the future carbon dioxide.
What must happen for pure nitrogen in the air to be able to be used by plants?
Nitrogen in the air must be converted into a plant-usable form such as nitrate (NO3-) or ammonium (NH4+). This conversion process is carried out by nitrogen-fixing bacteria in the soil, which can either symbiotically associate with plant roots or exist freely in the soil. Plants can then absorb these converted forms of nitrogen from the soil to support their growth and development.
What form must nitrogen take before plants and animals can use it?
Nitrogen must be in the form of ammonium (NH4+) or nitrate (NO3-) before plants and animals can use it for growth and development. These forms of nitrogen can be taken up by plant roots and further utilized in biological processes.
What must happen before the fertilization process can happen in pea plants?
The flowers must be open and contain ripe pollen.
What must happen for plants to use nitrogen in the atmosphere?
Fixation
