How many quarts are in 77 ml?

What is an important step to prove something is valid or not? determining the reliability observing research testing

10. what is one long-term effect of tobacco use? changes in brain chemistry coronary heart disease decreased appetite increased heart rate

You are travelling on a long non-stop flight from tahiti to tampa. you have been in the air for about 7 hours and have not moved, since you boarded the plane at tahiti. you need to use the rest room and on standing up feel dizzy. the best explanation for your dizziness