Bodies of water often were used to create borders EX: in the eastern united states the states borders are rivers because it is easier than making imaginary borders
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 Klyuchevskaya volcano is in the Kamchatka Peninsula of Russia and the highest active volcano of Eurasia. Its steep, symmetrical cone towers about 60 mi from the Bering Sea.
I hope this helped!
At first you have to write the variables out which are
now you have to combine like terms
now you add these two variables and end up with answer of
