Chemistry
jans1030
2020-04-17 18:49:30
The machine that measures the strength of an earthquake is called ___ A) Radiograph B) Seismometer C) Electrocardiograph Earthquakes foci ( Focus, singular) are... A) More than 200 miles B) 0-50 miles deep C) Deep 50-200 miles deep D) All of the above Earthquakes can happen when there is a large amount of ___. A) Volcanic Activity B) High Tides C) Surface Construction D) all of the above
ANSWERS
alexandriahard
2020-04-17 22:02:37

1st one a 2and c 3rd d

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