The term bioinvasion means that a plant or animal is not native in their current location and often spreads to a dangerous degree which is harmful to it's new environment, to the economy and to human health. An example of this is the Asian longhorned beetle which infected and damaged millions of acres of hardwood trees, as it was introduced in the United States.
The answer is the spring equinox
The United States of America is an example of a democratic country but with specific election process. Unlike other democratic country that its the people of the country decides who will be their president, USA elect their president through electoral college.
Egypt and the people of the Middle East were protected by the desert as can be seen in the lack of attempts from foreign forces for invasion.
Explanation:
Ancient Egypt and the people of the Middle East, primarily Mesopotamia, had several advantages when it came to development and security. The people living in these places were living along the banks of the large rivers, such as:
- Nile River
- Tigris
- Euphrates
These rivers provided fertile deposits, water for drinking and usage, means of transport and traveling, thus the people of this places had excellent basis to develop.
On the other hand, it seems that these people had almost no problems when it came to invading forces outside of the region. The prime reason for this was that the region is dominated by hot, harsh deserts. The people outside of this region didn't dear to cross the deserts and attack, as the chances were that the armies will either die during the crossing of the deserts, or they would be so damaged that they would not achieve anything.
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