If you have a measurement of 234.005 k, how many significant figures does it have

It has 6 sig figs

Explanation:

235.005

Every digit is significant.

answer increasing the intensity, duration,and frequency of exercise progressively;

while the heads of the phospholipid structure attract water, the tails are hydrophobic. the model shows how the hydrophilic section folds around the fluid molecules to bring them into the cell so they don’t need to pass through the hydrophobic tails.