Because most but not all 13 yrs olds and older smoke already and they just want to know if you have already smoked before
DNA is what codes for everything in your body and DNA helps make proteins mRNA tRNA and rRNA
Photosynthesis and cellular respiration are important components of the carbon cycle, in which carbon is exchanged among the biosphere, atmosphere, oceans, and geosphere through chemical, physical, geological, and biological processes.
Answer:
In biological classification, taxonomic rank is the relative level of a group of organisms (a taxon) in a taxonomic hierarchy. Examples of taxonomic ranks are species, genus, family, order, class, phylum, kingdom, domain, etc.
Answer:
3:1
Explanation:
i hope it will be helpful
