Is this a dna sequence or an rna sequence? how do you know (tac- caa- tga- gga- gag- tcg- ctg- act)

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Approximately how many times does an average human heart beat in a lifetime?