The Earth's magnetic reversals are likely due to changes in the circulation patterns of materials in the outer core. This phenomenon is also referred to as geomagnetic reversal and involves the interchanging of position of the magnetic north and the magnetic south. The reversal can occur within a span of 0.1 to 1 million years. It is primarily driven by the dynamic movement of the molten iron found on the outer core that then generates electric currents, thereby, producing magnetic fields.
The most grown crop in the US is corn, followed by soybeans and wheat.
Answer:
· Nitrogen fixation
· Nitrification
· Assimilation
· Ammonification
· Denitrification
Explanation:
Nitrogen fixation is the process where nitrogen is converting into ammonium.
Nitrification is the process of ammonium oxidation into nitrate.
Assimilation is the process where animals and plants receive NO3. Plants are using this nitrate for proteins and acids.
Ammonification is the process where the nitrate that is contained in plants and animals is recycled after their death.
Denitrification is e the last process in this cycle and during this process nitrate is converting to gases.
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<h3>The Answer Is: <em>Bacteria and Archaea are comprised exclusively of microorganisms; plants, mammals, and microorganisms such as fungi and protists are contained in the Eukarya. Because of their lack of a nucleus, the Bacteria and Archaea were grouped together and called Prokaryotes, but the Archaea are more closely connected to the Eukaryotes than to the Bacteria. The cell walls of bacteria contain a compound called peptidoglycan, while the cell walls of archaea do not. Archaea and bacteria also vary because the composition of the cell membranes of archaea is peculiar and does not contain the same lipids, or fats, present in other species' cell membranes.</em></h3>
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Spindle fibres are important for assembling the chromosomes at the centre of the cell. Without this the chromosomes would not align and the stages cannot procede. Therefore the cell would not divide
