On the medieval world-maps it was represented only the part of the world known as the 'old world', which is consisted of Europe, Asia and Africa. Before the big discoveries, people living in this continents had knowledge only of this part of the world, while South and North America, Australia and Antarctica where still unknown to them, thus they are missing in the world-maps of this period.
An important tool in understanding the actual numerical dates of past geologic events is radioactivity.
It is tilted closest to the summer solstice and farthest in the winter solstice.
1. Tiltmeter matches with <span>"The _____ suggests that the ground has risen about 2 inches."
2. </span><span>Richter scale: </span>"People in the cafeteria felt the quake, but those in the conference room didn't. The earthquake magnitude must've been around 3 on the _____."
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3. </span>Mercalli intensity scale: <span>"If you want to measure the earthquake based on the level of damage incurred, use the _____."
4. S</span>eismograph: <span>"The _____ records P waves first, then S waves."
5. C</span>orrelation Spectrometer (COSPEC): "Look! That volcano is emitting smoke! Grab your _____ and measure the sulfur dioxide content."
6. Moment Magnitude Scale: <span>"I would use a _____ to measure the magnitude of earthquakes that occur over large areas." </span>
Answer:
preplanning is so important because it helps us to achieve our goals and to get success in our life...:)