Question

1)An earthquake triggers _______ and ___________.
2)_________ is an instrument used for measuring the intensity of an earthquake.
3) Earthquake are graded on a___________ to ___________ scale.
4) Rainwater harvesting can present _____________.​

Answer 1

Answer:

1) tentonic plate, Crust

2) Seismograph

3) 4.2, 8.9

4) Saving rainwater.

Explanation:

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Answer 2

Answer:

1.) an earthquake triggers tectonic plates and crust.

2.) seismograph is an instrument used for measuring the intensity of an earthquake.

3.) earthquake are graded on a 4.2 to 8.9 scale.

4.) rainwater harvesting can prevent saving rainwater.