Biology, 20.09.2020 09:01 Issaking0131
A geologist needs to determine the local value of g. Unfortunately, his only tools are a meter stick, a saw, and a stopwatch. He starts by hanging the meter stick from one end and measuring its frequency as it swings. He then saws off 20 cm—using the centimeter markings—and measures the frequency again. After two more cuts, these are his data:
Length (cm) Frequency (Hz)
100 0.61
80 0.67
60 0.79
40 0.96
Use the best-fit line of an appropriate graph to determine the local value of g.
Answers: 3
Biology, 22.06.2019 15:00
Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
Answers: 1
Biology, 22.06.2019 17:30
1. isogamy 1 organisms with gametes of the same size and shape 2. anisogamy organisms with gametes of different sizes and shapes 3. oogamy 2 organisms with gametes of the same shape but different sizes 4. gonads gamete-producing organs in lower plants 5. gametangia gamete-producing organs in animals
Answers: 3
A geologist needs to determine the local value of g. Unfortunately, his only tools are a meter stick...
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