I would say A. Quantitative data involves numbers and stuff like that. Unlike qualitative data, which involves pictures and not numerical data. I hope this helped.
Yes they do help the ones that are vaccined so you won’t become sick
I don’t know but I’m not gonna put somthig random so you get it wrong
Answer:
concentration gradient
Explanation:
concentration refer to number of ions on either side of membrane
gradient :difference in concentration on both sides of membrane
on this basis:
one side of membrane: higher concentration of h+ ion
other side of membrane :lower concentration f h+ ions
pumps transport ions from higher concentration side to lower concentration side of membrane
I'm pretty sure it's the cell since it's the basic unit of life and can change to carry out any function
