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emmainna [20.7K]
3 years ago
12

Design an experiment to test whether using soap or bleach is the better way to clean boots to prevent Bd contamination. Remember

to include a control when designing your experiment. ((I need a hypothesis, independent and dependent variables, and a procedure))
Biology
1 answer:
vekshin13 years ago
4 0
Bleach
workesgood it takes off all the stuff good

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With your group members discuss and answer the following questions.
Yakvenalex [24]

1) One seismogram represents the distance to the epicenter (indicated by one circle). This is determined by the arrival times of the P and S waves. When the seismograph is near to a quake, the S-waves arrive shortly after the P-waves.

2) A single or double recording station could only measure distance, not direction; a full circle is drawn around the station to allow for all possibilities.

3) Triangulation is a technique used by scientists to determine the location of an earthquake's epicenter. When seismic data is collected from at least three different locations, the epicenter may be established by where the data links. A network of seismographs positioned in various directions records every earthquake.

4) A seismograph is a device used to record seismic waves caused by an earthquake, explosion, or another Earth-shaking event.

5) In the aftermath of an earthquake, the P waves go ahead of the S waves. As a result, the longer the time difference between the arrival of the P and S waves, the greater the distance between a seismic recording station and the earthquake epicenter.

6) Surface waves frequently induce more ground motion than body waves and hence cause more harm.

<h3>What exactly is a seismograph?</h3>

Seismometers are measuring instruments that detect ground noises and vibrations caused by earthquakes, volcanic eruptions, and explosions. Seismographs usually consist of a seismograph, a timing device, and a recording device.

Modern seismometers are capable of detecting ground movements as small as a few nanometres - a millionth of a millimeter. The magnitude of the earthquake is calculated using the measured amplitudes and its closeness to the hypocenter.

Learn more about seismographs:

brainly.com/question/2679745

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What is the main function of meiosis?
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1. Reduces the chromosome number from diploid to haploid

2. Ensures that each of the 4 gametes has a complete set of chromosomes

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3 years ago
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