Which element listed below is considered an alkaline earth metal? question 3 options: a. oxygen b. magnesium c. chlorine d. hydrogen

The layers of earth are based on what two sets of characteristics?

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )