Observa regula de formare a ffiecarui dir copiaza pe caiet scriindin locul simboului steluta numere care sa respecte reggula sirului

lets get this bread mom

a community that experiences major changes undergoes progress

the growth of the plants is affected by the heat of the light. what is the student doing?

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.