Ineed and will rate !
a substance that has low volatility is also likely to possess:

weak surface tension

surface tension

little resistance to flow

weak intermolecular forces

i think that it is strong surface tension but i also kinda think that it would be little resistance to flow but i am only able to choose one so what do i do?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?

How many moles are equal to 2.4×10^23 formula units of sodium chloride