Mathematics, 29.01.2020 00:58, keriyannafultz
1) sally and maria hypothesized that earthworms lived only in dark, damp places. they measured a one-meter square in a shady spot near a stream. they dug through the soil and collected earthworms. they collected 43 worms. what should the girls do to reach a valid conclusion for their hypothesis? a) repeat the experiment in another shady spot. b) nothing. they carried out a valid experiment. c) repeat the their steps in different locations, including sunny, dry, and wet. d) repeat the dig on a larger area near the stream.
Answers: 1
Mathematics, 21.06.2019 17:30, meganenaranjo
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
Answers: 1
Mathematics, 21.06.2019 22:00, alexamorantess
Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.
Answers: 1
1) sally and maria hypothesized that earthworms lived only in dark, damp places. they measured a one...
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