Explain how aparent polar wanders can be used as evidence for continental drift.

i don't know. if i were you, i would search it up online : d

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.