Every day we inhale and exhale nearly breaths of life-sustaining air.

One of the reasons that stars are so large is because

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !