Answer:
4
Explanation:
The formula for calculation of EROI is :

Thus,
Energy returned = 20 MW
Energy invested = 5 MW
So,

<u>The EROI of the process will be 4.</u>
Pangaea would be you answer.
Answer:
The probability that both marbles are white is 2/5
Explanation:
One astronomical unit is equal to the distance from Earth to the Sun. The second option among all the options given in the question is the correct option. The distance as calculated in the year 2012 by the International Astronomical Union was equal to 149597870700 meters. Astronomers like to use this unit for measuring the distances between planets and other solar bodies.
Answer:
The dam is an engineering marvel, but it has been very costly with unintended side effects