Question

how liquid raise up in straws

Answer 1

 if the straw is long enough the liquid will reach up to a height that is fixed on earth it may vary depending on the density of the liquid ( for mercury  it is 760 mm ). You know what now you know a way to measure atmospheric pressure (or any pressure as a matter of fact).

Answer 2

Hey friend‼️

___________________

Here is your answer⏬

___________________

⏺️One end of the straw is put inside the Water or the liquid. The air Present inside the straw is removed by Su-cking. The air pressure present inside it decreases though atmospheric pressure increases. The Atmospheric pressure make the liquid to rise up to the Su-cking point.

__________________

Hope my answer will help you!!
Mark my answer as Brainliest❤️