How has the earth changed throughout time

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Reference no: EM133675708

Assignment:

Earth's Patters, Cycles and Changes

Earth goes through several patterns, cycles, and changes.

• Patterns. Earth spins on its axis. It makes one full rotation on its axis every 24 hours. Earth also revolves around the sun. It takes 365 days for Earth to make one full revolution around the sun.

• Cycles. Earth's rotation on its axis and revolution around the sun causes cycles on Earth: day, night, seasons, weather. Other cycles include the phases of the moon, water cycle, and life cycles.

• Changes. Earth goes through various changes. Some changes happen quickly; for example, an earthquake or a storm can change Earth rapidly. Other changes happen slowly; for example, the North American and Eurasian tectonic plates are separated by the Mid-Atlantic Ridge.

The two continents are moving away from each other at the rate of about 2.5 centimeters (1 inch) per year.

PROMPT: How has the Earth changed throughout time?

A. Use the resources to describe how our Earth has changed since the beginning of life including the different mass extinctions that have occurred.

B. Then pick one of the extinctions and describe the following:

1. The defining characteristics

2. The causes of the extinction

3. What are the longterm consequences (what was lost?)

4. Was there anything that could have been done to prevent it?

Reference no: EM133675708

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