Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

You're right. The Upper Mantle is directly under the Crust. Hope this helped! =^-^=

i think you are right it is upper

the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides