24 !
which of these is a compound?
a. air
b. steel
c. nitrogen
d. sugar
i will report any incorrect answers .

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?