Match the following warning sign with its appropriate monitoring instrument.

1.volcano is emitting gases. tiltmeter
2.small tremors are occurring. cospec
3.the ground by a volcano is moving upward. seismograph

The earth rotates on its axis and revolves around the sun every

How would you find the measure of one interior angle

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion