B. the reason why scientists do he experiment more than once is because they have to compare the first attempt and the second attempt . Because if they are different they have to figure out what id the different or aka what is different. hope this helps ;)
It must be r<span>ecorded . </span>
A substance used, or acted on, by another process or substance such as a reactant in an enzyme catalysed reaction.
Answer:
Active and passive transport are similar in that they both transport ions, using ion channels to move ions across the cell membrane.
Explanation:
Hope that this helps!
C) A is probably much more closely related to B than to C.
Because A/B have 95% DNA in common, but A/C only have 50% in common.
