Your email address will not be published. Required fields are marked *
Save my name, email, and website in this browser for the next time I comment.
Oxygen accounts for __________ percent of totals human body mass?
A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as___?
Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called___________?
A large regional community primarily determined by climate is called_____?
Out of 92 naturally occurring chemical elements how many are considered as bio-elements_____?