Determine the mass of the regularly shaped balls. Use a mass balance to record the masses of the table tennis ball and golf ball in grams. Record the mass of each below: Tennis ball is 1.0 grams, the golf ball is 20.3 grams Tennis ball is 2.7 grams, the golf ball is 46.0 grams Tennis ball is 1,000 grams, the golf ball is 500 grams They both have no mass

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area

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 !

In two sentences explain the differences of neutrophil and macrophage