I can conclude that the mineral that the scientist found is harder than chalcopyrite, pyrite, and orthoclase, but not harder than quartz. I can also conclude that the unknown mineral is a relatively hard mineral. Which ideas did you include in your answer? Check all that apply.

age range would be the answer

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

i think that it is plants

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.