Experiment: Group 1 drinks 500 mL of coffee a day, group 2 drink 500 mL of tea a day, group 3 is a control group. At the end of 60 days all participants’ blood pressure is tested. Write a scientific question for the experiment. Be sure to include the independent and dependent variable in your question.

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?