Not very sure, but this is probably because the stain is much more dried up and already sticked onto the surface, rather than the paper towel that simple brushed by it for the couple of seconds used in attempt to wipe the stain.
Please mark me brainliest so I can become a Virutoso, thank you! :)
Answer:
hereditary variat on selection is made of those genetic variats that well be passed on most effectively to the following generation
The controlled variable is an element that is not changed throughout an experiment, because it’s unchanging state allows the relationship between the other variables being tested to be better understood.
It’s the last one jeheuehekaiwjsdn
False, only some . Hope this helps !